Nielsen Hayden genealogy
Family: Ralph de Cromwell / Joan de Somerville (F10318)
m. Bef 1292 and 1293-
Father | Male
Ralph de Cromwell
Born of Cromwell, Southwell, Nottinghamshire, England 
Died Bef 2 Mar 1299 Buried Married Bef 1292 and 1293 [1] Father Ralph de Cromwell | F3030 Group Sheet Mother Margaret de Somery | F3030 Group Sheet
Mother | Female
Joan de Somerville
Born Died Buried Other Spouse Henry de Grey | F10321 Married Bef 6 Jun 1301 Father Robert de Somerville | F10345 Group Sheet Mother Isabel de Merlay | F10345 Group Sheet
Child 1 | Male
+ Ralph de Cromwell
Born Abt 1292 of Cromwell, Southwell, Nottinghamshire, England 
Died Bef 15 Oct 1356 Buried Spouse Joan de la Mare | F10317 Married
-
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.