Question: When was Sonam Dechan Wangchuck's half brother born?
Sentence (from "Sonam Dechan Wangchuck"): She is the daughter of the 4th King of Bhutan Jigme Singye Wangchuck and half-sister of the 5th King, Jigme Khesar Namgyel Wangchuck.
Relevant evidence: Yes