Son of Major Michael Godwin Plantagenet Stourton and Lady Joanna Lambart. His paternal grandfather was the younger brother of William Stourton, 22nd Baron Stourton, 26th Baron Segrave, 25th Baron Mowbray (1895-1965). He is a distant relative of the broadcaster
Edward Stourton and his son the other
Tom Stourton, as Edward is a cousin of Edward Stourton, 27th Baron Mowbray.