- FitzOrm
- FitzOsbern
-
Emma b. c 1034William b. c 1030, d. bt 20 Feb 1070 - 1071
- FitzOsborne
-
Avise b. c 1082, d. a 1095Emma b. c 1059, d. a 1095Emma b. c 1082, d. a 1095
- FitzPatrick, Fitzpatrick
-
Ela d. 24 Aug 1261Joseph Aloysius b. 19 Feb 1901, d. 4 Jan 1962Mabel b. c 1148, d. c 1203Margaret b. c 1861, d. 1927Sheila Marie b. 15 Apr 1931, d. 6 Jul 2011William b. c 1122William Earl of Salisbury b. c 1154, d. 17 Apr 1196
- FitzPiers
-
Alice b. c 1234Geoffrey b. c 1162, d. 14 Oct 1213Joan b. 1183Reginald b. b 1208
- FitzPons
-
Berta b. c 1120Richard b. c 1084, d. 1129Richard Lord Bychan b. 1088, d. 1129Roger b. c 1125, d. a 1205Simon b. c 1114
- FitzRandolf
-
Mary b. 1240
- FitzRandolph
- FitzRanulf
- FitzRichard
-
Beatrice b. 1114, d. 1162Gilbert b. c 1065, d. 1117Gilbert Earl of Clare b. c 1065, d. 1117Osbern b. c 1055, d. 1080Richard b. 1062Roger b. c 1058, d. a Sep 1131Roger First Baron Warkworth b. c 1141, d. 1178Walter b. c 1058William Lord Cardinand b. 1084