| Name | aka | Birth date | Birth location | Marriage date | Marriage location | Death date | Death location |
| Adeliza de Clare | | 1090 | Essex, England | WFT Est. 1118-1137 | | WFT Est. 1119-1184 | |
| Adeliza de Clare de Tonbridge | de Clare, Alice | 1115 | Skelton, Kent, England | 1136 | | Aft. 1148 | |
| Aveline de Clare | | 1172 | Hereford, Hereford, England | WFT Est. 1200-1211 | | June 4, 1225 | |
| Gilbert de Clare | | 1182 | Hertford, Hertfordshire, England | October 9, 1214 | Tewkesbury Abbey, Gloucester | October 25, 1230 | Penros, Brittany, France |
| Gilbert (Strongbow) FitzGilbert de Clare | | 1086 | Tunbridge, Kent, England | WFT Est. 1128-1146 | | January 6, 1146/47 | |
| Gilbert (the Red) de Clare, Earl of Gloucester 3 | | September 2, 1243 | Christ Church, Hampshire, England | April 30, 1290 | Westminster Abbey, London, England | December 7, 1299 | Monmouth Castle, England |
| Gilbert FitzRichard de Clare, Lord of Clare | | 1070 | Clare, Suffolk, England | WFT Est. 1102-1113 | | 1114 | |
| Isabel de Clare, Countess Strigoil | | 1173 | Pembroke, Pembroke, Wales | August 1189 | London, England | 1220 | Pembroke, Pembroke, Wales |
| Margaret de Clare | | 1292 | | 1317 | | April 13, 1342 | |
| Matilda de Clare | de Clare, Maud | 1279 | Gloucester, England | WFT Est. 1307-1313 | | 1320 | |
| Maud de Clare | | 1175 | Lincoln, Lincoln, England | WFT Est. 1203-1210 | | 1213 | |
| Richard (Strongbow) FitzGilbert de Clare | | 1130 | Tunbridge, Kent, England | August 26, 1171 | Waterford | April 20, 1176 | Dublin, Ireland |
| Richard FitzGilbert de Clare | | 1035 | | | | 1090 | |
| Richard FitzGilbert de Clare, Lord of Clare | | 1090 | Hertford, England | | | April 15, 1136 | Monmouthshire, England |
| Richard de Clare, Earl of Gloucester 2nd | | August 4, 1222 | Gloucester, England | February 2, 1237/38 | | July 15, 1262 | Canterbury, Kent, England |
| Richard de Clare, Earl of Hertford | | Abt. 1153 | Tunbridge, Kent, England | WFT Est. 1193-1214 | | December 30, 1218 | |
| Roger de Clare, Earl of Hertford | | 1116 | Turnbridge, Kent, England | WFT Est. 1160-1171 | | 1173 | Oxen, England |
| Thomas de Clare, Lord of Thomond | | 1245 | Thomond, Ireland | 1275 | | August 29, 1287 | Clare, Ireland |
| Alice de Claremont | de Clermont, Adeliza | 1074 | Northumberland, England | WFT Est. 1102-1113 | | WFT Est. 1117-1169 | |
| Hugh de Claremont, Count of Clermont | | | | | | | |
| Idonea de Clifford | de Clifford, Idoine | 1303 | Clifford, Herefordshire, England | 1314 | Yorkshire, England | August 24, 1365 | |
| Robert de Clifford | | 1274 | Clifford Castle, Hertfordshire, England | WFT Est. 1307-1313 | | June 24, 1314 | Clifford Castle, Bannockburn, Hertfordshire, England |
| Robert de Clifford | | 1305 | | WFT Est. 1336-1343 | | 1344 | |
| Roger de Clifford | | 1168 | Clifford Castle, England | WFT Est. 1199-1228 | | WFT Est. 1208-1259 | |
| Roger de Clifford | | 1205 | | WFT Est. 1236-1267 | | 1285 | |
| Roger de Clifford | | 1248 | England | 1269 | | November 6, 1282 | Menai Straits, Anglesey, Wales |
| Roger de Clifford | | July 10, 1333 | | 1377 | | July 7, 1389 | |
| Walter de Clifford | | 1105 | Frampton, Glouchester, England | WFT Est. 1137-1171 | | 1190 | |
| Walter de Clifford | | 1140 | Clifford Castle, England | WFT Est. 1173-1206 | | 1222 | |
| Yolande de Coucy | | | | 1184 | | March 18, 1221/22 | |
| Alice de Courtenay | | 1160 | Courtenay, Loiret, France | 1180 | Angouleme, Aquitaine, France | 1218 | France |
| Elizabeth de Courtenay | | 1127 | Courtenay, Loiret, France | 1150 | | September 14, 1205 | |
| Milo de Courtenay | | 1069 | Courtenay, Loiret, France | 1095 | | 1127 | France |
| Peter I de Courtenay | | 1125 | Courtenay, Loiret, France | 1150 | | 1180 | |
| Reinald de Courtenay, Lord of Courtenay | Reginald | 1100 | Courtenay, Loiret, France | WFT Est. 1141-1158 | | 1161 | |
| Yolande de Courtenay | | WFT Est. 1171-1197 | | 1215 | | 1232 | |
| Elizabeth de Crepi of Vermandois | de Crepi, Isabel | 1081 | Vermandois, Normandy, France | WFT Est. 1112-1129 | | February 17, 1130/31 | |
| Herfast de Crêpon | | | | | | | |
| Sibell de Crêpon | | | | | | | |
| Wevie de Crepon | | Abt. 944 | | | | | |
| Agnes de Cundy | | 1145 | Cavenby, Lincoln, England | WFT Est. 1173-1206 | | WFT Est. 1173-1239 | |
| Roger de Cundy | | WFT Est. 1094-1123 | | WFT Est. 1135-1167 | | WFT Est. 1148-1208 | |
| Simon de Danmartin, Count of Aumale | | 1180 | | 1208 | | 1239 | |
| Frederick de Donjon | | 1085 | Yerre, France | WFT Est. 1104-1136 | | WFT Est. 1117-1176 | Corbeil, France |
| Hawise de Donjon | | 1113 | Courtenay, Loiret, France | WFT Est. 1141-1158 | | WFT Est. 1141-1207 | |
| Lorette de Dover | | WFT Est. 1212-1252 | | WFT Est. 1244-1286 | | WFT Est. 1244-1332 | |
| Philippa de Dreux | | | | 1219 | | March 17, 1239/40 | |
| Robert II de Dreux, Count of Dreux | | Abt. 1154 | | 1184 | | December 28, 1218 | |
| Robert de Ewyas | | 1085 | Sudeley, Gloucester, England | WFT Est. 1116-1148 | | WFT Est. 1128-1177 | |
| Robert de Ewyas | | 1125 | Hertfords, England | WFT Est. 1163-1189 | | 1195 | |