Nielsen Hayden genealogy
Eleanor de Mortimer

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- 1 Eleanor de Mortimer [1]
Adam de Clifton b. 1306 d. Between 1366 and 1367
- 2 Constantine de Clifton [1.1]
d. Bef 20 Jan 1363
Katherine de la Pole d. Bef 17 Feb 1363
- 3 John de Clifton [1.1.1]
b. Abt 1353 d. 10 Aug 1388
Elizabeth de Cromwell d. 24 Sep 1391
- 4 Constantine de Clifton [1.1.1.1]
b. Abt 1372 d. 19 Feb 1396 [ =>]
- 4 Constantine de Clifton [1.1.1.1]
- 3 John de Clifton [1.1.1]
- 2 Constantine de Clifton [1.1]