Robert de Beaumont
d. 1118
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About
Robert de Beaumont, first Earl of Leicester, fought at Hastings as a young man and was rewarded with vast estates on both sides of the Channel. He married Isabel de Vermandois, which is how the Carolingian blood of the counts of Vermandois entered the English nobility.
Research notes
✓ DOCUMENTED (web-confirmed 23 Jul 2026 (Wikipedia/Complete Peerage/standard gateway pedigree)): ROBERT DE BEAUMONT, COUNT OF MEULAN and 1ST EARL OF LEICESTER (c.1049-1118), the Conqueror's counsellor and a magnate of the Anglo-Norman realm; m. ISABEL (Elizabeth) DE VERMANDOIS. Father of Isabel de Beaumont (our line, Strongbow's mother) and of the Beaumont twins Waleran (Count of Meulan) & Robert (2nd Earl of Leicester). Direct ancestor - the point where the tree enters the French royal houses. Added 23 Jul 2026.