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Start your family tree now Is your surname de Beaumont-sur-Oise?

There are already 17 genealogy profiles with the de Beaumont-sur-Oise surname on Geni. Join now to find your relatives.

de Beaumont-sur-Oise Genealogy and de Beaumont-sur-Oise Family History Information

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Aélis de Beaumont-sur-Oise (c.1032 - 1091)
ADELISE [Aelis] de Beaumont , daughter of IVO Comte de Beaumont & his first wife Judith --- ([before 1045]-Rouen 11 Jul 1091, bur Saint-Evroul[310]). She is named as wife of Hugues by Orderic Vitalis, ...
Agnès de Beaumont sur Oise, dame de Conflans (c.1073 - c.1124)
Geoffroy de Beaumont sur Oise (b. - 1068)
de Beaumont (-10 Jan [1068/1070]). “Ivo...Belmontensis castri comes” donated property to la Trinité de Fécamp by charter dated to after 1027, subscribed by “Ivonis comitis, [J]osfredi filii eius, Ivoni...
Ives V de Beaumont sur Oise, II, comte de Beaumont (c.1040 - 1083)
(update 1 Oct 2022) IVES [II] de Beaumont (-[22 May] [1083/91]). “Ivo...Belmontensis castri comes” donated property to la Trinité de Fécamp by charter dated to after 1027, subscribed by “Ivonis comit...
Mathieu I, comte de Beaumont-sur-Oise (1080 - 1152)

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