Question: What is the date of birth of Prince Welf Ernst Of Hanover's mother?
Sentence (from "Prince Welf Ernst of Hanover"): (Welf Ernst August Andreas Philipp Georg Wilhelm Ludwig Berthold Prinz von Hannover), Duke of Brunswick-Lüneburg (25 January 1947 – 10 January 1981) was the eldest son of Prince George William of Hanover and his wife Princess Sophie of Greece and Denmark, sister of Prince Philip, Duke of Edinburgh.
Relevant evidence: Yes