Nielsen Hayden genealogy
Family: Roger la Warre / Clarice de Tregoz (F11982)
m. Bef Oct 1276-
Father | Male
Roger la Warre
Born of Wickwar, Gloucestershire, England 
Died 20 Jun 1320 Buried Married Bef Oct 1276 [1] Father John la Warre | F11983 Group Sheet Mother Olympia de Fokinton | F11983 Group Sheet
Mother | Female
Clarice de Tregoz
Born Died Between Apr 1289 and 28 Aug 1300 Buried Father John de Tregoz | F1991 Group Sheet Mother Mabel Fitzwarine | F1991 Group Sheet
Child 1 | Male
+ John la Warre
Born Between 1276 and 1277 of Ewyas Harold, Herefordshire, England 
Died 9 May 1347 Buried Spouse Joan de Grelle | F11979 Married Aft 19 Nov 1294
-
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.