 In 1584 he was one of the commissioners who established the agreement that tanistry and the law of partible succession should be abolished in Connaught, and a tax of ten shillings a quarter be paid on land.Next year he attended the parliament held at Dublin in April.In 1589 he was active in subduing rebellious Irish in the mountains; and when Tyrone's rebellion broke out in 1595, he played a major part in its suppression.