He was the fifth and youngest child of Robert Joseph Stewart of Clan Stuart (b. Scotland, Great-Britain and Ireland, 26 December 1904, d. 1990), master builder in Leith, Edinburgh, Scotland, Great-Britain and Northern-Ireland, and wife (m. 1928) Elsa "Elsie" Rebecca Gilbart (b. England, Great-Britain and Ireland, 14 December 1905, d. 1996), who grew up in Upper Holloway, North London, London, Middlesex, England, Great-Britain and Ireland) who lived in Scotland, Great-Britain and Northern-Ireland, and in Highgate, North London, London, Middlesex, England, Great-Britain and Northern-Ireland.
