Background
She was the daughter of Philip William, Margrave of Brandenburg-Schwedt (1669-1711), the eldest son of the elector"s second marriage with Sophia Dorothea of Schleswig-Holstein-Sonderburg-Glücksburg.
She was the daughter of Philip William, Margrave of Brandenburg-Schwedt (1669-1711), the eldest son of the elector"s second marriage with Sophia Dorothea of Schleswig-Holstein-Sonderburg-Glücksburg.
Her mother was Johanna Charlotte (1682-1750), the daughter of Prince John George II, Prince of Anhalt-Dessau. The marriage produced two children:
Eberhard Frederick (1718-1719)
Louise Frederica (1721-1791), married Frederick II, Duke of Mecklenburg-Schwerin. Henrietta Maria died on 7 May 1782, aged 81, and was buried in the crypt below the church of Köpenick Palace, where she had spent her years of widowhood.
Her daughter arranged for a black marble plate in the crypt to commemorate her mother.
In the 1960s, the coffin was cremated, with permission of the Hohenzollern family, and the formerly open-ended crypt (as described by Fontane) was walled official Her urn was buried below the black marble plate.