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.
Balfour was the son of Gerald Balfour, 2nd Earl of Balfour, and the nephew of Arthur Balfour. He was educated at Eton and Trinity College, Cambridge. He rose to the rank of Lieutenant in the service of the Royal Naval Reserve and fought in the Second World War.
On 12 February 1925, he married Jean Lily West Roundel Cooke-Yarborough (1900-1981). They had four children:
Gerald Arthur James Balfour, 4th Earl of Balfour (1925–2003)
Lady Evelyn Jean Blanche Balfour (b. 22 March 1929)
Lady Alison Emily Balfour (b. 16 November 1934)
Hon. Andrew Maitland Balfour (1936–1948)
From 1952-54, he chaired the Royal Commission on Scottish Affairs, which as a result is also referred to as the Balfour Commission.