Nielsen Hayden genealogy
Margaret de St. John
- 1361(
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- 1 Margaret de St. John [1] d. 19 Nov 1361
- John de Beauchamp b. Abt 1306 d. 19 May 1343
- 2 Cecily de Beauchamp [1.1] b. Between 1321 and 1331 d. 7 Jun 1394
- Roger de Seymour d. Between 1359 and 29 Jan 1366
- 3 William de Seymour [1.1.1] d. 25 Aug 1391
- Margery de Brockbury
- 4 Roger Seymour [1.1.1.1] b. 3 Jul 1370 d. 1420
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- 4 Roger Seymour [1.1.1.1]
- 3 William de Seymour [1.1.1]
- 2 Cecily de Beauchamp [1.1]