David Carnegie Andrew Agnew, Protestant Exiles from France… (1886)
“ The surviving brothers of Sir George are both in his Majesty’s service, the eldest a post-captain in the Royal Navy, and the other a colonel in the army. Sir George Prevost married, in the year 1789, Catharine, daughter of Major-General Phipps, who survives him, together with a son, a minor, who succeeds to the title, and two daughters. ”
