Question: When is Saovabhark Nariratana's husband's birthday?
Sentence (from "Saovabhark Nariratana"): Saovabhark Nariratana , born Piu Ladavalya (26 January 1854 – 21 July 1887) was a consort of Chulalongkorn, the King of Siam.
Relevant evidence: Yes