Isabella Mac William
1175 - 1226 (51 years)( = Descendancy chart to this point, = Expand, = Collapse)
- 1 Isabella Mac William [1] b. 1175 d. 23 Dec 1226
- + Robert de Brus, III b. 1140 d. 1191
- Baron of Helmsley Robert de Ros b. 1170 d. 23 Dec 1226
- 2 Sir William de Ros [1.1] b. 1192 d. 1264
- Lucy FitzPeter b. 1205 d. 1266
- 3 Sir Robert de Ros [1.1.1] b. 3 Mar 1223 d. 17 May 1285
- Isabel d'Aubeney b. 1233 d. 15 Jun 1301
- 4 1st Baron de Ros Sir Robert de Ros [1.1.1.1] b. 1265 d. 3 Feb 1361 [ =>]
- 4 2nd Baron of Hamlake William de Ros [1.1.1.2] b. 27 Jun 1244 d. 16 Aug 1316 [ =>]
- Isabel d'Aubeney b. 1233 d. 15 Jun 1301
- 3 Sir Robert de Ros [1.1.1] b. 3 Mar 1223 d. 17 May 1285
- Lucy FitzPeter b. 1205 d. 1266
- 2 Sir William de Ros [1.1] b. 1192 d. 1264
- + Robert de Brus, III b. 1140 d. 1191