 George and his brother Peter Carew were sent to be educated in the household of their mother's (distant) cousin Henry Courtenay, 1st Marquess of Exeter.There they learned from adventurous relatives like their uncle Gawen Carew and kinsman Nicholas Carew, the latter of whom was later arrested and executed for treason.Carew trained in the law, but swiftly became bored and in 1526 was in Blois, France, seeking service with Louise of Savoy, the French Regent.