Complete Peerage of England Scotland Ireland Great Britain and the United Kingdom, by G. E Cokayne, Sutton Publishing Ltd, 2000 @ VII:667-70
(Ref: VII:667-70)
References (2)
Parent Source:
Complete Peerage of England Scotland Ireland Great Britain and the United Kingdom, by G. E Cokayne, Sutton Publishing Ltd, 2000
Individual:
Ekbert Ambergau