John Carleton 's grandfather , Anthony Carleton , had been a member of parliament in the 1550s .
Carleton was the son of George Carleton of Holcombe , Oxfordshire and his wife Elizabeth Brockett , daughter of Sir John Brocket of Brocket Hall , Hertfordshire .
Carleton   's grandfather , Anthony Carleton , had been a member of parliament in the 1550s .
Carleton was the son of George Carleton of Holcombe , Oxfordshire and his wife Elizabeth Brockett , daughter of Sir John Brocket of Brocket Hall , Hertfordshire .