Question: What countries did Princess Christina Margarethe of Hesse and Prince Christoph of Hesse family rule over?
Sentence (from "Prince Christoph of Hesse"): Christoph Ernst August of Hesse (Frankfurt, 14 May 1901 – Apennine Mountains near Forlì, 7 October 1943) was the fifth son of Prince Frederick Charles of Hesse and Princess Margaret of Prussia.
Relevant evidence: Yes