Humphrey's signature is on:
A treaty at Bayeaux. The king presided over the treaty between the abbey of Mont St. Michel and William Paynel.
Two documents of Boscherville on 30 January 1080, with the signatures of his son Richard, and William, Mathilda, and their two sons. One is the endowment of the church of St. Georges de Boscherville; the other documents a gift of St. Gervais Church and St. Portais to St. Florent de Saumur with other revenues by William de Briouze.
A document of William the Conqueror at Caen confirming the foundation of the Lessay Abbey on 14 July 1080.
Another document for the foundation of the Montebourg Abbey.
Humphrey de Bohun I was born about 1080, in Normandy, France as the son of Humphrey de Bohun I and Ealgirth. He married Maud de Évereaux about 1105, in Normandy, France. They were the parents of at least 1 son. In 1120, at the age of 40, his occupation is listed as constable of England (royal standard bearer).
