He received the first tonsure and minor orders 18 August 1590, the subdiaconate at Laon on 22 September, and the diaconate and priesthood at Soissons on 30 and 31 March 1591.

Both were shortly after condemned, Snow of treason as being a priest and Grimston of felony, for having aided and assisted him, and, it is said, having lifted up his weapon to defend him at his apprehension.

At the time they were thought to be relics of two other English martyrs, John Lockwood and Edmund Catherick and the skulls were placed in a niche near the altar.

In 1909, Hildebrand Lane Fox, who was familiar with local traditions, stated that they were the relics of Peter Snow and Ralph Grimston.

[4] Pictures of the reconstructed faces of Peter Snow and Ralph Grimston can be found on Leeds Cathedral webpage.