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BEAUMONT-SUR-OISE

[BEAS281] Seigneur Lambert de Ham
. [BEAS291] Yves II de Beaumont m. [VERM312] Geila de Vermandois
. . [BEAS301] Yves III le jeune de Beaumont m. Gisele de Chevreuse
. . . [BEAS311] Count Yves IV de Beaumont-sur-Oise m. Emma
. . . . [BEAS321] Count Yves V de Beaumont-sur-Oise m1. Judith
. . . . . [BEAS332] Adeliz de Beaumont m. [GRAN331] Hugh de Grantmesnil

Various different English sites have various versions
so the following version is only approximately correct.

36.  [BEAS281] Lambert (born c.921), Seigneur de Ham. He died c.967.

35.  [BEAS291] Yves II de Beaumont (born c.940-45), Chatelain de Beaumont-sur-Oise, Seigneur de Ham, nicknamed Seigneur Fouchard de Ham, married [VERM312] Geila/Gisla the venerable de Vermandois (born 954, daughter of Count Albert I, see VERMANDOIS COUNTY). Geila died c.975, and Ives died c.978-81.

34.  [BEAS301] Yves III le jeune de Beaumont (born c.970) married (c.1004) Gisele de Chevreuse (born 978, daughter of 35. Guy I de Chevreuse).

33.  [BEAS311] Yves IV (born c.995), Seigneur de Conflans, 1st Count of Beaumont-sur-Oise, married Emma/Emme. He died 22nd May 1059.

32.  [BEAS321] Yves V (born c.1015), 2nd Count of Beaumont-sur-Oise, married 1.Judith; then 2. Adelaide de Gourney (daughter of [GURN311] Hugh III le vieux de Gourney, by [FLAI343] Basilie, see GOURNEY). He died after 1083. Adelaide died 8th April 1099.