Question: When did Princess Hilda Of Nassau's father die?
Sentence (from "Adolphe, Grand Duke of Luxembourg"): Adolphe (Adolf Wilhelm August Karl Friedrich; 24 July 1817 – 17 November 1905) was the last sovereign Duke of Nassau, reigning from 20 August 1839 until the duchy's annexation to Kingdom of Prussia in 1866.
Relevant evidence: Yes