Isabel Avenal
Aft 1143 - (
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- 1 Isabel Avenal [1] b. Aft 1143
- King of Scotland William Dunkeld, I b. Abt 1143 d. Abt 4 Dec 1214
- 2 Isabella Dunkeld [1.1] b. Abt 1170 d. Abt 1240
- Robert De Ros, I b. Abt 1170 d. 23 Dec 1226
- 3 Lord of Helmsley William De Ros [1.1.1] b. Abt 1192 d. Between 1258 and 1264
- Lucy Fitzpeter b. 1204 d. Aft 1266
- 4 4th Baron Hamlake Robert Ros [1.1.1.1] b. Abt 1237 d. 17 May 1285
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- 4 Baron De Ros William De Ros of Ingmanthorp, II [1.1.1.2] b. Abt 1244 d. Bef 28 May 1310
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- 4 4th Baron Hamlake Robert Ros [1.1.1.1]
- 3 Lord of Helmsley William De Ros [1.1.1]
- 2 Isabella Dunkeld [1.1]