Revised 30/11/2019



[ROOS441] Piers de Ros (born 1095) took his name from the Lordship of Ros, Holderness. He was Dapifer (Steward) of the Count of Aumale, Lord of Holderness. He married (c.1115) [ESPE372] Adeline (younger sister & coheir of Baron Walter Espec, Lord of Helmsley, etc, Yorks, and Wark, Northumbs, see ESPEC), and thereby inherited Helmsley and other Espec lands in Yorkshire. He died before 1130.

[ROOS451] Robert I de Ros (born c.1117) married (c.1145) [VALO442] Sibyl (daughter of Roger de Valognes, see VALOGNES). Robert died c.1163, and afterwards Sibyl married 2. (c.1166) William II de Percy (see PERCY); then 3. (c.1181) Ralph d'Aubigny of Belvoir (who died at Acre, 1191). Sibyl became a nun, and died at Nun Appleton Priory (1222).

[ROOS461] Everard II de Ros (born 1145, son & heir of Robert) married [TRUS463] Rohese (born c.1151, daughter of William Trussebut, see TRUSSEBUT). Everard died 1183, and Rohese died 1194.

[ROOS471] Robert II fursan de Ros (son & heir, born c.1172) married (at Haddington 1191) [DUNW463] Isabel (widow of Robert, 4th Lord of Annandale, see ANNANDALE LORDSHIP, and illegitimate daughter of King William the lion of Scotland, see HUNTINGDON (DUNKELD) EARLDOM). By 1191 he was in possession of Wark Castle, which King Henry II had temporarily retained after the death of Walter Espec (1153). But elsewhere it is also stated he was granted a share of the Espec estate in Northumberland, including Wark-on-Tweed by King John (1200). Robert may have occupied Wark Castle after the death of King Henry II (1189), but the actual paper work may have been delayed because King Richard I (who reigned 1189-99) spent so much time abroad. Robert succeeded to the Trussebut inheritance after his mother's death (1194) and thereby became Baron of Trussebut, with holdings in Yorkshire as tenant-in-chief. He "built" castles at Helmsley (Yorks), and Wark (Northumbs), though perhaps only rebuilt them.


Helmsley Castle
(2 May 2013)

He was also hereditary castellan of Bonneville-sur-Touques, and when Hugh de Chaumont escaped from imprisonment in this castle (1196), Robert was himself imprisoned by King Richard I until he had paid a fine of 1,200 marks of silver for his redemption.

In 1204 Robert de Ros together with William d'Aubigny (and Agatha his wife, who was Robert's aunt), and Hilary Trussebut (another aunt) were plaintiffs in a case against Henry du Puiset for the manor of [Market] Weighton, as their right, descending to them from Geoffrey FitzPayne (see TRUSSEBUT). According to the plaintiffs, the right descended in turn from Geoffrey FitzPayne to William Trussebut the elder, his son William Trussebut the younger, his son Geoffrey Trussebut, his brother Robert Trussebut (grandfather of Robert de Ros, and father of Agatha Trussebut and Hilary Trussebut). Henry du Puiset then produced a charter by King Henry II granting him the land at Weighton for his service, and subsequent confirmations of King Richard I and King John. But eventually an agreement was reached (May 1219) whereby Robert de Ros acquired one-third share of the manor, and Agatha and Hilary between them a two-thirds share. Following the subsequent deaths without issue of Hilary (1241) and Agatha (1247), Robert's son & heir William de Ros eventually acquired full possession of Weighton Manor (1247). It should be noted that in 1252, Sir Reynold FitzPiers FitzHerbert was granted the right to hold a Thursday market at the manor of [Market] Weighton (see HERBERT).

Robert possibly died 1226 (in which year he was succeeded by his son William) though it is possible that, as a Knight Templar, he had simply retired that year from secular life.

A much-deteriorated Purbeck "marble" tomb at Temple Church, London, has a plaque that simply reads:


de ROS FAMILY (14th Century)

A 19th century cast of this tomb (at the Victoria and Albert Museum, London has a plaque which describes it as:

Robert de Roos, died c.1227.

The effigy has deteriorated since the cast was made, and there is no longer a head

Tomb at Temple Church London
(10 September 2004)


Replica tomb at the

Victoria & Albert Museum, London
(15 April 2005)

close-up of replica tomb at the

Victoria & Albert Museum, London

[ROOS481] Sir William de Ros (born 1192) received Helmsley Castle. Sir William was an active partisan of Dauphin Louis of France until the Battle of Lincoln (19th May 1217), in which he was captured and a ransom was paid.

William was the heir of [TRUS465] Agatha, widow of 1. [WOLV461] Hamon I FitzHamo de Wolverton (see WOLVERTON BARONY); then 2. William III de Albini, by whom she apparently had no surviving blood issue (see TRUSSEBUT). Agatha died c.1247, and in that year in connection with the patronage of Kirkham Priory and Rievaulx Abbey (Yorks) and Warden Abbey (Beds), he paid relief "of ye moity of ye half Barony of Trusbut as heirs to the same", whilst the Cal. Patent Rolls (1249, membrane 9) records:

1249. Nov. 26 at Ludgershall. Acknowledgment of the payment by William de Ros in the wardrobe by the hand of Robert son of Amaury at Lutegareshall on Saturday after St. Katherine's of 45 L., in part payment of the relief which he owes for the lands late of Agatha Trussebut being in his hands. The same was afterwards commanded to the barons of the Exchequer.

William went on a pilgrimage to Santiago de Compostela (1252).



Santiago de Compostela

(17 April 2008)

He died c.1264, and was buried at Kirkham Priory.



Kirkham Priory ruins
(6 September 2010)



The front of the Gatehouse was adorned with heraldic shields which have survived to this day, commemorating the various benefactors, not necessarily related to the Ros family. These include those of de Ros (3 double water bags), de Fortibus (3 Maltese crosses, but with ends terminating in 3 points), de Clare (3 chevrons), Espec (3 Catherine wheels, each with six spokes). de Scrope (slanting stripe). Other shields are attributed (according to the site Guide Book) to Fitz Ralph and de Vaux. However the shield attributed to de Vaux, does not match the one usually associated with this family. The examples below have been taken from Pat's Smith's photograph (left).

  Kirkham Priory gatehouse
(photograph by Pat Smith


Clare Espec FitzRalph Fortibus Ros Scrope Vaux


William married (c.1225) [HERZ472] Lucy. According to Sir William Dugdale (1605-86) she was a daughter of [HERZ471] Piers FitzHerbert (see HERBERT), but according to Gerald Paget she was a daughter of William de Port [aka de St. John] (see PORT). The latter version is less likely, but needs to be considered. The two versions are as follows:

William Dugdale wrote in "Baronage" (1674, citing Gl. Somerst) concerning William de Ros:

After departing this life ... left issue by Lucia his Wife (daughter to Reginald Fitz piers of Blewlebeny in Wales) Robert his Son and Heir ... (see Monast. Anglic. Vol. 1. 728b. I.9.)

Gerald Paget wrote in "An Official Genealogical Heraldic Baronage of England" (typescript, 1957):

William de Ros married before 24th January 1234, Lucy, daughter of William de St. John, (Cl.18 Hen.3.m 30; Mon. Ang. I. 728b 1.10), and by her had issue.

The entry in "Monasticon Anglicanum" referred to by both Dugdale and Paget is simply a genealogical list under Rievallense (Rievaulx), in a reference to Kirkham Priory taken from the Rievaulx Abbey Chartularies. The phrase reads: Willhelmus de Roos duxit in uxorem Luciam.

The later English version of "Monasticon Anglicanum" (published 1846) is set out differently from Dugdale's original Latin version. Rievell (Rievaulx) Abbey appears in Volume 5, and the above phrase appears on page 280, similarly worded except that he is named as Willielmus de Roos. The phrase appeared in "Cartularium Rievallense" (Surtees Society, 1889, p.360), and the Surtees editor further commented: She is simply named Lucia in the Genealogy. Dugdale alleges that she was the daughter of Reginald FitzPiers of Blewleveny in Wales.

"The Complete Peerage" (TCP) says of Lucy: Rievaulx Chartulary, p. 360. She is said by Dugdale (Baronage, vol. i, p. 547) citing GL[over], Somerset Herald, to have been da. of "Reginald Fitz-piers of Blewlebeny in Wales." If she belonged to this family, she was presumably sister of Herbert FitzPiers and of his br. and h. Reynold FitzPiers, and da. of Piers FitzHerbert, lords of the Honour of Brecknock, whose castle was at Blaenllyfni. Piers FitzHerbert m. in 1203, his son Reynold not till 1249 (Curia Regis Rolls, vol. iii, p. 6; Close Rolls, 1247-51, p. 200).

The TCP authors were evidently unhappy with Dugdale's version, pointing out Lucy's father in any case could not have been Reginald Fitz-Piers, and prefixed their comments with an "If".

Paget's reference to Close Rolls, viz. Roll 18, King Henry III, (m.30), dated 24th January 1234, is interesting, and the full Latin extract is given at CLOSE ROLLS 18. This extract suggests an unnamed daughter of a William de St. John married an unidentified William de Ros, some time prior to 1234. As (according to Paget) Godehaut (daughter of William de Port) married 1. William de Ros of North Cray (Kent), then 2. Hugh de Wyndleshores, it is possible that the William de Ros referred to in the Close Rolls is not the one of Helmsley, but rather the unrelated one of North Cray.

"Gl. Somerst" quoted by Dugdale was Robert Glover, the Somerset Herald (1570-99). Besides Somerset, he also made Visitations to other counties, including Cheshire (1580), Devon, Staffordshire and Yorkshire (1584-85). Unfortunately the relevant source which Dugdale apparently saw (and may shed further light on the matter) has not been discovered.

The last dated reference to Lucy was in 1266, recorded in "Lincolnshire Notes & Queries" (Volume IX, 1909), citing Coram Rege Roll (Michaelmas, 50 Henry III, membrane 9), which translates as follows: Lucy, who was the wife of William de Ros, demands against Alice de Ros the third part of the manor of Ulseby, co. Lincoln, and against Peter de Ros, the third part of a manor in Yorkshire.

Ulceby had also been part of the Trussebut inheritance. There were two villages named Ulceby in Lincolnshire at the Domesday Survey, and TCP notes that this was the one near Wootton.

The only other evidence is that of the names of the children of William. Robert (eldest, possibly named for his paternal grandfather, who probably died about the time young Robert was born), William (named for his father), Alexander (presumably named for his great-uncle, King Alexander II of Scotland), John (perhaps named for King John, the uncle of King Alexander II). The names of the other children suggest they were all named for relatives of Lucy. They were Lucy (presumably named for her mother), Herbert (perhaps named for Lucy's family name FitzHerbert), Piers (perhaps named for Lucy's father Piers FitzHerbert), and Alice (perhaps named for Lucy's mother Alice FitzRoger).

Despite the FitzHerbert holdings in Wales, it would appear their chief domain was in the East Riding Yorkshire, which would make an inter-marriage with a North Riding family quite likely. Both families had connections with [Market] Weighton, and it does look as if the manor of Weighton, officially held by the Ros family, was assigned by Sir William de Ros to his brother-in-law, perhaps some time between 1247 (when Sir William de Ros acquired full possession of the manor) and 1252 (when Sir Reynold FitzPiers FitzHerbert was granted the right to hold a Thursday market at the manor). See later controversy over the holding of the market there.

Curiously, Piers FitzHerbert (presumed father of Lucy) died (June 1235) at Basing (Hants), which was a town associated with the Port family.

[ROOS492] Anne de Ros (daughter of William and Lucy) married [SUTT311] Sayer IV de Sutton (see SUTTON BARONY).

[ROOS491] Sir Robert de Ros (born c.1225) married (1243-44) [ALBI492] Isabel (daughter of Lord William, see BELVOIR (ALBINI) FEUDAL LORDSHIP), by which Robert inherited Belvoir Castle.

Sir Robert sided with Simon de Montfort, 6th Earl of Leicester (March 1264), and was holding Northampton under the younger Montfort, when King Henry III took it (April 1264). The young Prince Edward escaped from his custody at Hereford (18th May 1265), and Sir Robert surrendered Gloucester Castle to the Prince (29th June). On 14th August, ten days after the Battle of Evesham, Sir Robert received a full pardon at the Prince's command. Sir Robert went on a pilgrimage to the shrine of St. Edmund at Pontigny (1277).

He died 17th May 1285, and was buried at Kirkham Priory. Isabel died 15th June 1301.

[ROOS501] William de Ros (born 1255, son of Sir Robert) married (1287) [VAUZ502] Maud (daughter of John de Vaux, see VAUX). William was created 1st Lord Ros (1299), and died c. August 1316. He was buried at Kirkham Priory.

[ROOS513] Agnes de Ros (born c.1295, daughter of William) married 1. [TIPT422] Payn (see TYBOTOT), and presumably took with her as marriage dower the manor at [Market] Weighton, which had apparently already been assigned c.1252 to the FitzHerbert family (see earlier). The right to hold a market at [Market] Weighton was reclaimed (1458) by Henry Bromfleet, Lord Vescy, a descendant of the FitzHerbert family (see TYBOTOT). Payn was killed June 1314, and afterwards Agnes married 2. Thomas de Vere.

[ROOS511] William de Ros (son of William) married [NORT514] Margery (daughter of Lord Bartholomew, see BADLESMERE BARONY). William became 2nd Lord Ros (1316). He took part in the defence of Newcastle against the Scots (November 1341), and died 3rd February 1342-43. He was buried at Kirkham Priory. Afterwards Margery married 2. (1342-43) Robert de Ferrers, 3rd Lord of Chartley (died 1350); then 3. (c.1351) Sir Thomas de Arundel; then 4. (c.1354) Sir John Avenel (died 1st August 1359). Margery died 1363.

[ROOS522] Thomas (born at Stoke Albany, Northants, January 1337) married (1359) [STAF523] Beatrice (daughter of Earl Ralph, see STAFFORD EARLDOM). He became 4th Lord Roos of Hamelake (1352), succeeding his brother William, the 3rd Lord (died 1352).

Thomas took part in King Edward III's expedition in Normandy (1355), and in his later campaigns (1356 and 1359-60). He served in France (1369 and 1374), having been Knighted meantime (c.1372).

Thomas died at Uffington (Lincs) (8th June 1384), and Beatrice died April 1415.

[ROOS531] Sir William de Ros married [ARUJ532] Margaret (daughter of Earl John, see ARUNDEL (FITZALAN) EARLDOM). William became 6th Lord Ros (1394), succeeding his brother Thomas, the 5th Lord (died 6th August 1393). Lady Margaret was appointed Lady of the Garter (1399). William was invested Knight of the Garter (1404), and died at Belvoir (1st September 1414). He was buried at Belvoir Abbey. Margaret died 3rd July 1438.

[ROOS543] Margaret de Ros (daughter of William) married [AUD2541] Lord James (see AUDLEY (TUCHET) BARONY).