
Thomas Grey de Heaton, I

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- 1 Thomas Grey de Heaton, I [1] b. 1310 d. 22 Oct 1369
Margaret de Pressene b. 1310 d. 1370
- 2 Thomas Grey, II [1.1]
b. Abt 1359 d. Between 25 Nov and 7 Dec 1400
Joan de Mowbray b. 25 Mar 1364 d. Aft 8 Jun 1407
- 3 Maud de Grey [1.1.1]
b. 1382 d. Aft 1454
Robert de Ogle b. 21 May 1379 d. 12 Aug 1435 OR 1436
- 4 Margaret de Ogle [1.1.1.1]
b. 1405 d. 14 Nov 1443 [ =>]
- 4 Margaret de Ogle [1.1.1.1]
- 3 Thomas Grey, III [1.1.2]
b. 30 Nov 1384 d. 3 Aug 1415
Alice Neville b. Abt 1387 d. Yes, date unknown
- 4 Elizabeth Gray [1.1.2.1]
b. Abt 1402 d. 12 Jul 1454 [ =>]
- 4 Elizabeth Gray [1.1.2.1]
- 3 1st Earl of Tankerville John Grey [1.1.3]
b. Aft 1384 d. 22 Mar 1421
Joan Cherleton b. 1400 d. 17 Sep 1425
- 4 2nd Earl of Tankerville Henry Grey [1.1.3.1]
b. 1418 d. 13 Jan 1450 [ =>]
- 4 2nd Earl of Tankerville Henry Grey [1.1.3.1]
- 3 Maud de Grey [1.1.1]
- 2 Agnes Grey [1.2]
b. Abt 1365 d. 25 Oct 1420
Lord of Riddesdale Thomas de Umfreville b. 1361 d. 12 Feb 1391
- 3 Joan Umfraville [1.2.1]
b. 1387 d. 1448
Thomas Lambert b. Bef 1388 d. 22 Mar 1446
- 4 Margaret Lambert [1.2.1.1]
b. 1404 d. Aft 1430 [ =>]
- 4 Constance Lambert [1.2.1.2]
b. 1419 d. 1465 [ =>]
- 4 Margaret Lambert [1.2.1.1]
- 3 Margaret Umfraville [1.2.2]
b. 1390 d. 23 Jun 1444
John Constable, III b. Abt 1385 d. Bef 17 Jan 1451
- 4 Agnes le Constable [1.2.2.1]
b. Abt 1430 d. 24 Jul 1485 [ =>]
- 4 Agnes le Constable [1.2.2.1]
- 3 Lady Agnes Umfraville [1.2.3]
b. Abt 1390
Thomas Haggerston b. Abt 1385 d. 1470
- 4 Lady Isabel Haggerston [1.2.3.1]
b. Abt 1412 d. 1488 [ =>]
- 4 Lady Isabel Haggerston [1.2.3.1]
- 3 Joan Umfraville [1.2.1]
- 2 Johanna de Hetton [1.3]
b. 1365 d. Yes, date unknown
John de Clavering, I b. 1363 d. 22 Mar 1425
- 3 Robert de Clavering, II [1.3.1]
b. 1401 d. 21 Mar 1453
Elizabeth Clavering b. 1405 d. 1445
- 4 John de Clavering, II [1.3.1.1]
b. Abt 1436 d. 13 Oct 1486 [ =>]
- 4 John de Clavering, II [1.3.1.1]
- 3 Robert de Clavering, II [1.3.1]
- 2 Thomas Grey, II [1.1]