Her father Adolphe, Grand Duke of Luxembourg, was the half-brother of Drottning Sophia, the mother-in-law of Hilda's sister-in-law, Queen Victoria of Baden.
Last consort of the sovereign of the Duchy of Baden (September 28, 1907 - November 22, 1918).
She and Friedrich left their castle Mainau, on an island in Lake Constance, to their great-nephew, Lennart Bernadotte.