William George BLAKE [c.1834-c.1898]
His name is given in the announcemement of his son's marriage on page 2 of the Hong Kong Telegraph for 2nd Oct 1893:
MARRIAGE
At the R. C. Cathedral, Hongkong, on the 2nd instant, JOHN JOHNSTON, second son of Wm. G. Blake, late H. M.'s Coast Guards, to MARY, eldest daughter of the late Henry Lyons, Esq.