Nielsen Hayden genealogy
Family: Richard of Conisburgh / Anne de Mortimer (F10063)
m. Bef 23 May 1408-
Father | Male
Richard of Conisburgh
Born Abt 1375 Conisburgh Castle, Yorkshire, England 
Died 5 Aug 1415 Southampton, Hampshire, England Buried Southampton, Hampshire, England Married Bef 23 May 1408 [1] Father Edmund of Langley | F10061 Group Sheet Mother Isabella of Castile | F10061 Group Sheet
Mother | Female
Anne de Mortimer
Born 27 Dec 1390 Died Sep 1411 Buried Kings Langley, Hertfordshire, England Father Roger Mortimer | F10124 Group Sheet Mother Eleanor Holland | F10124 Group Sheet
Child 1 | Male
+ Richard of York
Born 21 Sep 1411 Died 30 Dec 1460 Wakefield, Yorkshire, England Buried Pontefract, Yorkshire, England Spouse Cecily Neville | F1800 Married Bef 18 Oct 1424
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Sources - [S1480] The Ancestry of Charles II, King of England: A Medieval Heritage by Charles M. Hansen and Neil D. Thompson. Saline, Michigan: McNaughton and Gunn, 2012.
- [S1480] The Ancestry of Charles II, King of England: A Medieval Heritage by Charles M. Hansen and Neil D. Thompson. Saline, Michigan: McNaughton and Gunn, 2012.