He was s of Reginald Arthur WALTER 1885-1965 of Balthayock, Perthshire by his 5 Oct 1929 m to Kathleen 1893-1942 d of Robert WYLIE-HILL 1851-1939 of Balthayock and Isabella Muir ROWAT 1857-1940. He m 1970 Lady Sarah Marion COKE b 1944 d of 5th Earl of LEICESTER 1908-76 and Lady Elizabeth Mary YORKE 1912-85 d of 8th Earl of HARDWICKE 1869-1936 and Ellen Browning RUSSELL 1881-1968 of Auckland, NZ, and had two sons as above.