Question: When did Princess Amalia Of Saxe-Weimar-Eisenach's husband die?
Sentence (from "Princess Amalia of Saxe-Weimar-Eisenach"): Princess Amalia Maria da Gloria Augusta of Saxe-Weimar-Eisenach (20 March 1830 — 1 May 1872) was the first wife of Prince Henry of the Netherlands, son of king William II of the Netherlands.
Relevant evidence: Yes