He is married to Lady Anna van Essex, Baroness Of Barthomley.
Marriage
Date: Abt. 1300
They got married in the year 1304 at Essex, England, he was 34 years old.Source 2
Child(ren):
http://trees.ancestry.com/rd?f=sse&db=pubmembertrees&h=76002420767&indiv=try
Record for Margaret de Prayers, Countess of Essex
http://trees.ancestry.com/rd?f=sse&db=pubmembertrees&h=20319232702&indiv=try
Record for Sir Thomas De Prayers "Praers", Baron of Barthomley, Crewes and Landecan