Question: What is the date of birth of Valaya Alongkorn's mother?
Sentence (from "Savang Vadhana"): Sri Savarindira (10 September 1862 – 17 December 1955), also known as Savang Vadhana , was a consort and half-sister of Chulalongkorn (Rama V), but she was not the "Rajini" or the highest ranked consort.
Relevant evidence: Yes