Question: What is the date of birth of Countess Palatine Irmengard Of The Rhine's husband?
Sentence (from "Irmengard of Oettingen"): Irmengard of Oettingen( – 6 November 1389 in Worms, Germany) was a princess of the Counts von Oettingen by birth, and by marriage, Countess Palatine of the Rhine and, as a widow, a Dominican nun.
Relevant evidence: No