Sibyl De Tregoz
1265 - 1334 (69 years)(
= Descendancy chart to this point, 
= Expand, 
= Collapse)
- 1 Sibyl De Tregoz [1] b. 1265 d. 12 Oct 1334
- 1st Baron Grandison William De Grandison b. 1262 d. 27 Jun 1335
- 2 Mabel De Grandison [1.1] b. Abt 1294 d. 23 Apr 1349
- John De Pateshull b. Abt 1291 d. 7 Aug 1349
- 3 Joan Pateshull [1.1.1] b. 1342 d. 1420
- John De Lee, III b. 1338 d. 1372
- 4 Joan De la Lee [1.1.1.1] b. 1364 d. 1420
[ =>]
- 4 Joan De la Lee [1.1.1.1]
- 3 Joan Pateshull [1.1.1]
- 2 Catherine De Grandison [1.2] b. 1304 d. 23 Nov 1349
- 3rd Baron Montagu William Montagu b. 1301 d. 30 Jan 1344
- 3 John Montagu [1.2.1] b. 1328 d. 25 Feb 1389
- Margaret de Monthermer b. 14 Oct 1329 d. 24 Mar 1394
- 4 John Montagu [1.2.1.1] b. 1350 d. 6 Jan 1400
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- 4 John Montagu [1.2.1.1]
- 3 Sybil Montagu [1.2.2] b. Abt 1332 d. 30 Jan 1354
- Edmund Arundel b. Abt 1329 d. Bef 12 Feb 1382
- 4 Elizabeth Arundel [1.2.2.1] b. Abt 1351 d. 23 Mar 1385
[ =>]
- 4 Elizabeth Arundel [1.2.2.1]
- 3 Countess Of March Philippa De Montacute [1.2.3] b. 5 Jan 1332 d. 5 Jan 1381
- Roger De Mortimer b. 11 Nov 1328 d. Abt 26 Feb 1360
- 4 Edmund de Mortimer [1.2.3.1] b. 1 Feb 1352 d. 27 Dec 1381
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- 4 Baroness of Markeaton Margery de Mortimer [1.2.3.2] b. 1 Feb 1352 d. Bef 3 Nov 1405
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- 4 Janet De Mortimer [1.2.3.3] b. 1358 d. 1397
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- 4 Edmund de Mortimer [1.2.3.1]
- 3 John Montagu [1.2.1]
- 2 Mabel De Grandison [1.1]