Selwyn John Power Warrand was a Commander in the service of the Royal Navy, fought in World War II and was killed in action on board of HMS Hood (51) and his widow remarried in 1947 Henry Richard Charles Humphries.
His sister, Beatrice Helen Fitzhardinge Warrand (born 1908), married on 27 September 1941 another World War II veteran, Lieutenant Colonel Lyndall Fownes Urwick, Military Cross, Officer of the Order of the British Empire, son of Sir Henry Urwick of Malvern, Worcestershire, Justice of the Peace.
He adopted the legally changed name Hugh Vere Huntly Duff Lucas-Tooth of Teanich by Royal Licence in 1920 when he gained, at the age of seventeen, the recreated baronetcy of his maternal grandfather, the first baronet, whose three sons had died in World War I, being created 1st Baronet Lucas-Tooth, of Bught, County Inverness, in the Baronetage of the United Kingdom on 1 December 1920, with special remainder to the heirs male of the body of his mother.
Lucas-Tooth was called to the bar in 1933 at Lincoln's Inn entitled to practise as a barrister.
He retained the seat in subsequent general elections until 1970 and was Parliamentary Under-Secretary of State for the Home Department between February 1952 and December 1955.