Nielsen Hayden genealogy
Family: Thomas de Berkeley / Katherine de Clivedon (F11242)
m. 30 May 1347-
Father | Male
Thomas de Berkeley
Born Abt 1296 of Berkeley, Gloucestershire, England 
Died 27 Oct 1361 Buried Berkeley, Gloucestershire, England 
Married 30 May 1347 [1] Charfield, Gloucestershire, England [1] 
Other Spouse Margaret de Mortimer | F15713 Married Between 10 May 1319 and 28 Aug 1329 Father Maurice de Berkeley | F10532 Group Sheet Mother Eve la Zouche | F10532 Group Sheet
Mother | Female
Katherine de Clivedon
Born Died 13 Mar 1386 Buried Berkeley, Gloucestershire, England 
Father John de Clivedon | F11243 Group Sheet Mother Emma | F11243 Group Sheet
Child 1 | Male
+ John Berkeley
Born 23 Jan 1352 Wotton-under-Edge, Gloucestershire, England 
Died 5 Mar 1428 Buried Spouse Elizabeth Betteshorne | F11239 Married Bef 13 Oct 1374
-
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.