Question: When was Mary, Princess Royal And Princess Of Orange's husband born?
Sentence (from "William II, Prince of Orange"): William II (27 May 1626 – 6 November 1650) was sovereign Prince of Orange and Stadtholder of Holland, Zeeland, Utrecht, Guelders, Overijssel and Groningen in the United Provinces of the Netherlands from 14 March 1647 until his death three years later.
Relevant evidence: Yes