Question: Henrietta d'Oultremont was the second wife of a king born in what year?
Sentence (from "Henrietta d'Oultremont"): Countess Henriëtte Adriana Maria Ludovica Flora d'Oultremont de Wégimont (28 February 1792 in Maastricht–26 October 1864 at Rahe Castle in Aachen) was the second, morganatic, wife of the first Dutch king, William I.
Relevant evidence: Yes