Background
He was the second son of Sir Robert Tyrwhitt and brought up at court, becoming an Esquire of the Body.
He was the second son of Sir Robert Tyrwhitt and brought up at court, becoming an Esquire of the Body.
He acquired substantial landholdings and was knighted in 1543. In 1544, when Master of the Horse for Queen Catherine, he served on a military campaign in France, responsible for the transport of ordnance. He was a Member (Member of Parliament) of the Parliament of England for Lincolnshire in 1545 and for Huntingdonshire in April 1554 and 1559.
He was appointed High Sheriff of Lincolnshire for 1540-1541 and High Sheriff of Cambridgeshire and Huntingdonshire for 1557-1558.
In 1548 he bought the manor of Leighton Bromswold, Huntingdonshire, which he made his home. He died at Leighton Bromswold on 10 May 1572.