Nielsen Hayden genealogy
Family: Roger de Mowbray / Maud de Beauchamp (F151)
m. Bef 1257-
Father | Male
Roger de Mowbray
Born Abt 1220 of Thirsk, Yorkshire, England 
Died Bef 18 Oct 1263 Buried Church of the Friars Preachers, Pontefract, Yorkshire, England 
Married Bef 1257 [1] Other Spouse (Unknown) de Furnival | F11180 Married Aft 13 Apr 1238 Father William de Mowbray | F783 Group Sheet Mother Avice | F783 Group Sheet
Mother | Female
Maud de Beauchamp
Born of Bedford, Bedfordshire, England 
Died Bef 4 Apr 1273 Buried Church of the Friars Preachers, Pontefract, Yorkshire, England 
Other Spouse Roger le Strange | F735 Married Bef 15 Jul 1270 Father William de Beauchamp | F5347 Group Sheet Mother Idonea de Longespée | F5347 Group Sheet
Child 1 | Male
+ Roger de Mowbray
Born Abt 1257 of the Isle of Axholme, Lincolnshire, England 
Died 1296 Buried Church of the Friars Preachers, Pontefract, Yorkshire, England 
Spouse Rose de Clare | F130 Married Aft 15 Jul 1270
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Sources - [S142] Royal Ancestry: A Study in Colonial and Medieval Families by Douglas Richardson. Salt Lake City, 2013.
- [S142] Royal Ancestry: A Study in Colonial and Medieval Families by Douglas Richardson. Salt Lake City, 2013.