sentences:  He died on 27 May 1839 at age 72.The sixth Earl of Selkirk came of age in 1830; receiving the compliments Donald Mackenzie, then the shrewd and capable Governor of the Red River Settlement, the District of Assiniboia, as he was to ‘beg to congratulate you and all my employers’, he wrote to Andrew Colvile, 'on the prosperous state of the Colony.