Guillaume Plantagenet, Count of Poitou - Pedigree | FamilyCentral
 22 Jul 1136 - 30 Jan 1163/64
 24 Aug 1113 - 7 Sep 1151
 Bef 5 Aug 1102 - 10 Sep 1169
 1092 - 10 Nov 1143
 Abt 1079/80 - 1 May 1118