Question: What is the date of birth of Robert Balfour, 3Rd Earl Of Balfour's father?
Sentence (from "Robert Balfour, 3rd Earl of Balfour"): Robert Arthur Lytton Balfour, 3rd Earl of Balfour (31 December 1902 – 28 November 1968), styled Viscount Traprain between 1930 and 1945, was a Scottish peer.
Relevant evidence: No