References for Jane de Grey
Sir B.Burke:
Burke's Peerage and Baronetage.
London, 1999
D.Schwennicke:
Europäische Stammtafeln, Vol. X, Tafel 139.
Marburg, 1986
F.L.Weis:
Ancestral Roots of Sixty Colonists.
6th Ed., Baltimore, 1988