Browsing Jarvis family fonds, 1789-1847, n.d. RG 563 by Author "Brock, Sir Isaac"
Appointment of William Jarvis to Ensign in the Third Regiment of York MilitiaBrock, James; Brock, Sir Isaac (1812-05-20)Appointment of William Jarvis, by Isaac Brock, Esquire, President, administering the Government of the Province of Upper Canada, and Major General Commanding His Majesty’s Forces therein, to Ensign in the Third Regiment of York Militia during pleasure and of which William Chewett, Esq. is Lieut. Colonel, dated at York 20 May 1812. Signed by James Brock and Isaac Brock.