Question: What is the date of birth of Dermot Bourke, 7Th Earl Of Mayo's father?
Sentence (from "Richard Bourke, 6th Earl of Mayo"): Richard Southwell Bourke, 6th Earl of Mayo, (21 February 1822 – 8 February 1872), styled Lord Naas between 1842 and 1867, called Lord Mayo in India, was a statesman, Viceroy of India and prominent member of the British Conservative Party from Dublin, Ireland.
Relevant evidence: Yes