William de Ros - Pedigree | FamilyCentral
 Abt 1192 - 1258
 Abt 1170 - Aft 1227
 Abt 1144 -
 Abt 1146 -
Family Group
 Abt 1114 - 12 Jun 1152
 Abt 1120 - 1178
Family Group
 Abt 1072 - 23 Apr 1130
Family Group
Family Group