Archbishop Theobald of Bec consecrated Geoffrey as Bishop of St Asaph at Lambeth on 24 February 1152, having ordained him a priest at Westminster 10 days before. According to Lewis Thorpe, "There is no evidence that he ever visited his see, and indeed the wars of Owain Gwynedd make this most unlikely."From the introduction to his translation of The History of the Kings of Britain (London: Penguin Books, 1966), p. 12. He appears to have died between 25 December 1154 and 24 December 1155 according to Welsh chronicles, when his successor took office.
archbishop theobald of bec consecrated geoffrey as bishop of st asaph at lambeth on 24 february 1152 having ordained him a priest at westminster 10 days before according to lewis thorpe "there is no evidence that he ever visited his see and indeed the wars of owain gwynedd make this most unlikely"from the introduction to his translation of the history of the kings of britain (london penguin books 1966) p 12 he appears to have died between 25 december 1154 and 24 december 1155 according to welsh chronicles when his successor took office