John Kerr (governor-general)
Sir John Robert Kerr, (24 September 1914 – 24 March 1991) was the 18th Governor-General of Australia. He dismissed the Labor government of Gough Whitlam on 11 November 1975, marking the climax of the most significant constitutional crisis in Australian history. He had previously been the 13th Chief Justice of the Supreme Court of New South Wales.
Mark Kerr (Royal Navy officer)
Mark Edward Frederic Kerr was born on 26 September 1864, son of the Admiral Lord Frederic Kerr (1818–1896) and Emily Sophia Maitland, daughter of Gen. Sir Peregrine Maitland . His father was the youngest son of William Kerr, 6th Marquess of Lothian and his second wife, Lady Harriet Scott, daughter of the Duke of Buccleuch. His cousin was the politician John Kerr, 7th Marquess of Lothian.