The person that is the mother of XXX is who?
Henriette Amalie of Anhalt-Dessau
Princess Henriette Amalie of Anhalt-Dessau (7 December 1720 -- 5 December 1793) was the fifth (fourth surviving) and youngest daughter of Leopold I, Prince of Anhalt-Dessau, by his morganatic wife, Anna Louise Föhse.
Anna Louise Föhse