References for Geoffroi Vicomte de Rohan * de Porhoet

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Sir B.Burke: Burke's Peerage and Baronetage. London, 1999
D.Schwennicke: Europäische Stammtafeln, Vol. X, Tafel 13. Marburg, 1986
A.M.Stokvis: Manuel d'histoire. Amsterdam, 1966
F.L.Weis: Ancestral Roots of Sixty Colonists. 6th Ed., Baltimore, 1988