Question: What is the date of birth of Countess Palatine Irmengard Of The Rhine's husband?
Sentence (from "Countess Palatine Irmengard of the Rhine"): Countess Palatine Irmengard of the Rhine, also known as Irmengard of Baden (– 24 February 1260) was Margravine of Baden by her marriage to Herman V, Margrave of Baden-Baden.
Relevant evidence: Yes