Quelleninformationen
Ancestry.com. The Lusignans in England : 1247-1258 [Datenbank online]. Provo, UT: Ancestry.com Operations Inc, 2005.Ursprüngliche Daten: Snellgrove, Harold Sinclair,. The Lusignans in England : 1247-1258. Albuquerque: University of New Mexico Press, 1950.
