 Carew was also married for the first time during the 1530s, to Thomasine Pollard, daughter of Sir Lewis Pollard (c. 1465 – 1540), Justice of the Common Pleas.In 1537, Carew was given his first sea commission, serving in the English Channel under Sir John Dudley during operations against pirates.In the following year 1538 he inherited his father's estates and returned to Devon to serve as Justice of the Peace.