Margaret of Perche
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About
Margaret of Perche married the first Earl of Warwick before 1100 and outlived him by thirty years, still living in 1156 when she gave to the Knights Templar. She was the mother of the second Earl, and she had been missing from this tree until the Warwick article was read.
Research notes
✓ DOCUMENTED, verbatim: Henry de Newburgh 'm. before 1100, MARGARET, da. of GEOFFREY II, COUNT OF PERCHE, by BEATRICE, da. of HILDUIN IV, COUNT OF MONTDIDIER AND ROUCY... His widow survived him about 30 years, being living (1156) 2 Hen. II, when she was a benefactress to the Knights Templars.' Wife of HENRY DE BEAUMONT, 1st EARL OF WARWICK (I100215) and MOTHER of ROGER, 2nd Earl (I100213, our line, 'b. before 1102') - the only wife Cokayne gives him. OPENS THE COUNTS OF PERCHE. Direct ancestress. Source: Cokayne, Complete Peerage (1st edn), 'WARWICK' pp.52-71, page images read 7 Aug 2026.