"Frederick Henry, Margrave of Brandenburg-Schwedt (21 August 1709, in Schwedt – 12 December 1788, in Schwedt) was the last owner of the Prussian secundogeniture of Brandenburg-Schwedt. ...
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His father was Margrave Philip William; his mother was Charlotte Johanna, a daughter of Prince John George II of Anhalt-Dessau and Princess Henriette Catherine of Nassau." - (en.wikipedia.org 25.12.2019)
