William married Isabel (Elizabeth) DE VERMANDOIS. Isabel (daughter of Hugo 'the Great' de Crepi OF VERMANDOIS and Adelheid DE VERMANDOIS, Comtesse de Valois, daughter of Hugh Magnus 'the Great' DE VERMANDOIS and Adelheid DE VERMANDOIS) was born in 1081 in Valois, Bretagne, France; died on 13 Feb 1131. [Group Sheet]
Adelaide married Henry 9TH EARL OF HUNTINGDON, of Scotland in 1139. Henry (son of David I "the Saint" KING OF SCOTLAND and Matilda (Maud) of HUNTINGDON) died on 12 Jun 1152. [Group Sheet]
Margaret married Humphrey III de Bohun. Humphrey (son of Humphrey II de Bohun and Margaret of Hereford, Constable of England) was born before 1144 in England; died in Dec 1181 in France; was buried in Llanthony Secunda Priory, Hempsted, Gloucester, Monmouthshire, England. [Group Sheet]
Henry married Maud Fitz Geoffrey. Maud (daughter of Geoffrey de Mandeville, 1st Earl of Essex and Rohesia DE VERE) was born in 1185; died in 1236. [Group Sheet]