| Family:King Edward I of England and Eleanor Castile Leon |
| Husband: | 17 Jun 1239 - 7 Jul 1307 | | Wife: | 1241 - 28 Nov 1290 | | Marriage: | 1 Nov 1254 | | Children: | Daughter Unknown (13); Katherine Plantagenet (3); Joan Plantagenet (4); John Plantagene... |
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| Family:John of Gaunt and Catherine De Roet |
| Husband: | 6 Mar 1340 - 3 Feb 1398/99 | | Wife: | 25 Nov 1350 - 10 May 1403 | | Marriage: | 13 Jan 1396-1397, Lincoln Cathedral, Lincoln, Lincolnshire, England | | Children: | John Beaufort, 1st Earl of Somerset (1); Blanche Beaufort (1); Henry Beaufort (37); Joa... |
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| Family:John of Gaunt and Blanche Of Lancaster |
| Husband: | 6 Mar 1340 - 3 Feb 1398/99 | | Wife: | 3 Jan 1345 - 12 Sep 1369 | | Marriage: | 19 May 1359, Reading Abbey, Reading, Berkshire, England | | Children: | Philippa of Lancaster (1); Elizabeth Plantagenet, Duchess of Exeter (1); Edward Plantag... |
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| Family:Louis VII of France and Constance of Castile |
| Husband: | 1120 - 18 Sep 1180 | | Wife: | 1141 - 4 Oct 1160 | | Marriage: | 1154, Castile, Spain | | Children: | Margaret of France, Queen of England and Hungary (1); Alys, Countess of the Vexin |
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| Family:John of Brienne and Berenguela of León |
| Husband: | abt 1170 - 27 Mar 1237 | | Wife: | 1204 - 12 Apr 1237 | | Marriage: | 1222, Toledo,Castile-La Mancha,,Spain | | Children: | Jean De Brienne (1); Marie of Brienne (1); Alphonso of Brienne (1); Louis De Brienne |
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| Family:John Gaunt and Marie Saint Hilaire |
| Husband: | 6 Mar 1340 - 3 Feb 1398/99 | | Wife: | ABT 1341 - | | Children: | Blanche Plantagenet |
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| Family:John Gaunt and Ann Oakley |
| Husband: | 17 Dec 1915 - Mar 1984 | | Marriage: | abt 1936, Chesterfield, Derbyshire, England |
| |  | | Watching: | Brown52 | | Modified: | 21 Aug 2012 |
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| Family:Unknown and Constance Castile |
| Wife: | 1354 - 1394 | | Marriage: | 21 SEP 1371, Roquefort, Guienne | | Children: | John Plantagenet (90); Katherine Plantagenet |
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| Family:John Gaunt and Ferne Estes |
| Wife: | 19 Apr 1903 - Nov 1978 |
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| Family:Jean Britany Twin and Isabel Castile |
| Husband: | 8 Mar 1286 - 30 Apr 1341 | | Wife: | 1283 - 24 Jul 1328 | | Marriage: | 21 Jun 1310, Disp |
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| Family:John Thayer and Constance Holbrook |
| Husband: | ABT 1503 - 11 Feb 1561/1562 | | Wife: | ABT 1507 - 4 Mar 1576 | | Marriage: | MAR 1521, Thornbury, Gloucestershire, England | | Children: | Willihelmus Thayer (1); Joan Thayer (2); William Thayer (7); John Thayer (36); Constanc... |
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| Family:John Sutton and Constance Blount |
| Husband: | 1380 - 29 Aug 1406 | | Wife: | 1380 - 23 Sep 1432 | | Marriage: | bef 10 Dec 1401, Worcestershire, England | | Children: | John Sutton, 1st Baron Dudley |
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| Family:John De Grey and Constance Holland |
| Husband: | abt 1387 - 27 Aug 1439 | | Wife: | ABT 1387 - 14 NOV 1437 | | Marriage: | AFT 10 JUN 1405 | | Children: | Edmund Grey, 1st Earl of Kent (1); Alice Grey |
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| Family:John De Morteyn and Constance De Merston |
| Husband: | 1218 - | | Wife: | 1220 - | | Children: | John De Morteyn |
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| Family:John Mitford and Constance Ogle |
| Husband: | 1402-04-08 - 1457-05-06 | | Wife: | ABT 1402 - 1460 | | Marriage: | 1427, Mitford,,Northumberland,England | | Children: | Margaret Mitford |
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| Family:John Turcotte and Constance Belaire |
| Husband: | 20 SEP 1915 - 12 SEP 1980 | | Wife: | Aug 28, 1918 - July 9, 2012 | | Marriage: | Sep 23, 1937, Ottawa, Ontario, Canada | | Children: | Living Turcotte (57); Living Turcotte (58); Living Turcotte (59); Living Turcotte |
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| Family:John Brigham and Constance Watson |
| Husband: | 1574 - 1621 | | Wife: | 15 Aug 1578 - 10 Jul 1615 | | Marriage: | 30 Sep 1599, Yorkshire, England | | Children: | Phillippa Brigham (1); Henry Brigham (1); Gillian Brigham (1); Gillian Brigham (2); Tho... |
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| Family:John Stafford and Constance Green |
| Husband: | 24 Nov 1420 - 8 May 1473 | | Children: | Edward Stafford |
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| Family:John Boteler and Constance Downhall |
| Husband: | 1435 - 1491 | | Wife: | 1435 - | | Marriage: | 1455, Woodhall,Watton,Norfolk,England | | Children: | John Boteler |
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