He was English by birth, a descendant of the Cromer (aka Crowemer) family of Tunstall, Kent. Caught up in Henry's Reformation of the Church of England, he was deprived of his see of Armagh. He continued in place as Archbishop of Armagh, despite suspicions from Henry about his true beliefs and also despite being suspended by the Pope on a charge of heresy.
- Chapter in A.J. Hughes, William Nolan (eds.) (2001), Armagh: Interdisciplinary essays on the History of an Irish County