Isabella de Dunbar was born circa 1199 to Patrick II, 5th Earl of Dunbar (1185-1249) and Euphemia FitzWalter (-1267) and died after 1269 of unspecified causes. Notable ancestors include Charlemagne (747-814), Alfred the Great (849-899), Hugh Capet (c940-996). Ancestors are from the United Kingdom, France, Belgium, Germany, Russia, Ukraine, England.


Offspring of Isabella and Roger FitzJohn, 4th Lord of Warkworth & Clavering (c1201-c1249)
Name Birth Death Joined with
Robert de Clavering, 1st Baron Clavering (c1247-1310) 1247 1310 Margaret La Zouche (c1248-?)

Footnotes (including sources)

‡ General
  • A genealogical history of the dormant, abeyant, forfeited, and extinct ... By Sir Bernard Burke


  William Allen Shade, Thurstan, Robin Patterson