Nielsen Hayden genealogy
William de Calthorpe
- Abt 1360(
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- 1 William de Calthorpe [1] d. Abt 1360
- Isabel Lovell
- 2 Ela de Calthorpe [1.1]
- John de Pierrepont
- 3 Sibyl de Pierrepont [1.1.1]
- Edmund de Ufford d. Between 1 Sep 1374 and 3 Oct 1375
- 4 Ela Ufford [1.1.1.1] d. 1425
[ =>]
- 4 Robert de Ufford [1.1.1.2] d. Between 7 Jan 1390 and 1393
[ =>]
- 4 Ela Ufford [1.1.1.1]
- 3 Sibyl de Pierrepont [1.1.1]
- 2 Ela de Calthorpe [1.1]