"SIR ROBERT KEITH ARBUTHNOT, 4TH Bart. (1864-1916), British sailor, was born March 23 1864, and succeeded his father, the 3rd bart., in 1889. He entered the navy in 1877 and was promoted commander 1897, captain 1902 and rear admiral in the 2nd Battle Squadron 1913. Early in the World War he took over the 1st Cruiser Squadron and led it in the battle of Jutland, flying his flag in the " Defence," which was sunk with the loss of all on board May 31 1916.