De CLARE Line 3
(1) Gilbert Strongbow de Clare, Earl of Pembroke, born 1100. Died January 6th, 1147. Son of Gilbert FitzRichard de Clare and Adeliza de Claremont. Married Isabel de Beaumont (her father was Robert de Beaumont, her mother Isabel Elizabeth de Crepi) and had son Richard. For more information on Gilbert, please visit this link.

(2) Richard FitzGilbert de Clare, born 1130. Died April 20th, 1176 in Dublin, Ireland. Son of Gilbert and Isabel. Married Aoife MacMurrough and had daughter Isabel.

(3) Isabel de Clare, Countess Strigoil, born 1174. Died 1220. Daughter of Richard and Aoife. Married William
Marshall.