Question: Who is the son of the former Queen of the United Kinddom? 
Sentence (from "Mary of Teck"): Mary of Teck (Victoria Mary Augusta Louise Olga Pauline Claudine Agnes; 26 May 1867 – 24 March 1953) was Queen of the United Kingdom and the British Dominions and Empress of India as the wife of King-Emperor George V.
Relevant evidence: Yes