Sir (Joseph Percival) William Mallalieu (18 June 1908 – 13 March 1980) was a British Labour Party politician, journalist and author.
Mallalieu's ancestors had settled at Saddleworth in the early 1600s, where they lived in humble circumstances working as weavers.
Frederick Mallalieu's father, Henry (1831–1902), was a self-made businessman, at the age of twelve a hand-loom weaver.
He served in the Royal Navy 1942–45, joining as an ordinary seaman and later being commissioned and promoted to lieutenant.
[6] He had various ministerial positions under Harold Wilson(a Huddersfield native), including Minister of Defence for the Royal Navy (1966–1967), the Board of Trade (1967–1968) and Technology (1968–1969).