William Fitzwilliam, Sr - Pedigree | FamilyCentral
 1195 - 1266
 1212 -
 1173 - Feb 1224
 1130 - 7 May 1202
 Abt 1137 - 13 Jul 1199
 24 Aug 1113 - 7 Sep 1151
 Bef 5 Aug 1102 - 10 Sep 1169
 1118 - 19 Jan 1147/48
 1114 -