GD
Gilbert de Clare
1100 – 1148
Vitals
Born
c. 1100
Died
1148
Family
Spouse
About
Gilbert de Clare was created first Earl of Pembroke in 1138 and was the father of Strongbow. He was a brother of Alice de Clare, who married Aubrey de Vere the second, which means the invasion of Ireland and the earldom of Oxford descend from one man's two children.
Research notes
✓ DOCUMENTED (CP vol. X p.198, PHOTOGRAPHED - Alice de Vere's brother - plus the standard account): GILBERT DE CLARE, 1ST EARL OF PEMBROKE (cr. 1138; d. 1148/9), son of Gilbert FitzRichard (I99527) and BROTHER of ancestress Alice de Vere (I99526); m. Isabel de Beaumont (dau. of Robert de Beaumont, Count of Meulan and Earl of Leicester - note-only). Father of STRONGBOW. Direct ancestor (a second line of descent from his father). Added 23 Jul 2026.