Nielsen Hayden genealogy
Thomas de Clinton
- Bef 1264(
= Descendancy chart to this point, 
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- 1 Thomas de Clinton [1] d. Bef 1264
- Maud Bracebridge d. Aft 1275
- 2 John de Clinton [1.1] b. Abt 1258 d. 1310
- Ida de Odingsells b. Abt 1265 d. Aft 1 Mar 1322
- 3 William de Clinton [1.1.1] d. 24 Aug 1354
- (Unknown wife or mistress of William de Clinton)
- 4 Elizabeth de Clinton [1.1.1.1] d. Aft 1399
- John Fitzwilliam b. Abt Feb 1328 d. Bef 19 Feb 1385
- 5 William Fitzwilliam [1.1.1.1.1] d. 8 Apr 1398
- Maud Cromwell d. Aft 1414
- 6 John Fitzwilliam [1.1.1.1.1.1] b. 25 Jul 1377 d. 5 Jul 1417
- Eleanor Greene d. Between 1 May 1421 and 21 Dec 1422
- 7 John Fitzwilliam [1.1.1.1.1.1.1] b. 27 May 1397 d. 17 Sep 1421
- Margaret Clarell d. Aft 1465
- 8 William Fitzwilliam [1.1.1.1.1.1.1.1] b. Abt 1416 d. 1 Dec 1474
[ =>]
- 8 William Fitzwilliam [1.1.1.1.1.1.1.1]
- 7 John Fitzwilliam [1.1.1.1.1.1.1]
- 6 John Fitzwilliam [1.1.1.1.1.1]
- 5 William Fitzwilliam [1.1.1.1.1]
- 4 Elizabeth de Clinton [1.1.1.1]
- 3 John de Clinton [1.1.2] b. Abt 1300 d. Bef 1 Apr 1335
- Margery Corbet d. Aft 14 May 1343
- 4 Ida de Clinton [1.1.2.1] d. Bef 1368
- Baldwin de Freville b. 15 Aug 1317 d. 23 Mar 1375
- 5 Baldwin de Freville [1.1.2.1.1] b. Abt 1349 d. 30 Dec 1387
- Joyce Botetourte b. Abt 1348 d. 12 Aug 1420
- 6 Baldwin de Freville [1.1.2.1.1.1] b. Bef 20 Nov 1368 d. 4 Oct 1400
- Maud le Scrope d. Aft 1418
- 7 Joyce Freville [1.1.2.1.1.1.1] d. Bef 1418
- Roger Aston d. 1447
- 8 Robert Aston [1.1.2.1.1.1.1.1] b. Abt 1414 d. 1464
[ =>]
- 8 Robert Aston [1.1.2.1.1.1.1.1]
- 7 Elizabeth Freville [1.1.2.1.1.1.2] b. Abt 1394
- Thomas Ferrers b. Between 1392 and 1402 d. 6 Jan 1459
- 8 Henry Ferrers [1.1.2.1.1.1.2.1] d. 28 Dec 1499
[ =>]
- 8 Henry Ferrers [1.1.2.1.1.1.2.1]
- 7 Margaret Freville [1.1.2.1.1.1.3] b. Between 1400 and 1401 d. 8 Jan 1493
- Hugh Willoughby b. Abt 1380 d. Between 1448 and 1454
- 8 Margery Willoughby [1.1.2.1.1.1.3.1] d. 14 Nov 1495
[ =>]
- 8 Isabel Willoughby [1.1.2.1.1.1.3.2] d. Aft 1470
[ =>]
- 8 Robert Willoughby [1.1.2.1.1.1.3.3] d. Bef 1485
[ =>]
- 8 Margery Willoughby [1.1.2.1.1.1.3.1]
- 7 Joyce Freville [1.1.2.1.1.1.1]
- 6 Baldwin de Freville [1.1.2.1.1.1]
- 5 Baldwin de Freville [1.1.2.1.1]
- 4 John de Clinton [1.1.2.2] b. Abt 13 Apr 1328 d. 6 Sep 1398
- Idoine de Say d. Bef 1379
- 5 Margaret de Clinton [1.1.2.2.1]
- Baldwin de Montfort d. Between 1385 and 1386
- 6 William Montfort [1.1.2.2.1.1] b. Abt 1375 d. 6 Dec 1452
- Margaret Pecche b. 30 Apr 1386 d. Bef Apr 1417
- 7 Ellen Montfort [1.1.2.2.1.1.1]
- Maurice Berkeley b. 2 Feb 1401 d. 26 Nov 1464
- 8 William Berkeley [1.1.2.2.1.1.1.1] b. Abt 1436 d. 1501
[ =>]
- 8 William Berkeley [1.1.2.2.1.1.1.1]
- 7 Baldwin Montfort [1.1.2.2.1.1.2] b. Abt 1412 d. Bef 10 Feb 1475
- Joan Vernon
- 8 Robert Montfort [1.1.2.2.1.1.2.1]
[ =>]
- 8 Robert Montfort [1.1.2.2.1.1.2.1]
- 7 Ellen Montfort [1.1.2.2.1.1.1]
- 6 William Montfort [1.1.2.2.1.1]
- 5 Margaret de Clinton [1.1.2.2.1]
- 4 Ida de Clinton [1.1.2.1]
- 3 William de Clinton [1.1.1]
- 2 John de Clinton [1.1]