 He was the son of Edward Tyng, who, during King William's War, was the commander of Fort Loyal, Fort William Henry and later became Governor of Acadia, only to be taken prisoner in the Naval battle off St. John (1691).During King George's War he broke the Mi'kmaq militia, French and Acadian sieges of Annapolis Royal in 1744 and again the following year (1745).As commodore of the fleet, Tyng led 13 armed vessels and about 90 transports in the successful Siege of Louisbourg (1745).