sentences:  Francis was the third son of the Reverend John Cooke and Elizabeth, eldest daughter of Dr. Thomas Sayer, Archdeacon of Surrey.Margaret was the second daughter of Moses and Mary Baker, of the Parish of St Christopher le Stocks, in the City of London.The Cooke family line had come from Devon, where they had been landowners and shipowners at Kenbury, near Exeter, and Topsham.