Question: When was Khamphoui's husband born?
Sentence (from "Sisavang Vatthana"): Sisavang Vatthana  or sometimes Savang Vatthana (full title: Samdach Brhat Chao Mavattaha Sri Vitha Lan Xang Hom Khao Phra Rajanachakra Lao Parama Sidha Khattiya Suriya Varman Brhat Maha Sri Savangsa Vadhana; 13 November 1907 – 13 May 1978 or 1984) was the last king of the Kingdom of Laos and the 6th Prime Minister of Laos serving from 15 October to 21 November 1951.
Relevant evidence: Yes