WINN. - In Feb. 1942, killed on active service, in H.M.S. Matabele, LT.-CDR. (E.) JOHN THEODORE WINN, Royal Navy, aged 32, beloved husband of Stella, and Jeremy's father.
[Handwritten date: 3.5.1943]
There are also handwritten notes but not all of them seem to relate to John Winn.
Source: Ancestry - England, Andrews Newspaper Index Cards, 1790-1976