He is married to Joan of Acre Plantagenet.
They got married on April 30, 1290 at Westminster, London, England, he was 46 years old.Source 2
Child(ren):
Gilbert IV The Red 7th Earl of Hertford 3rd Earl of Gloucestershire de Clare | ||||||||||||||||||||||||||||||||||
1290 | ||||||||||||||||||||||||||||||||||
Joan of Acre Plantagenet |
http://trees.ancestry.com/pt/AMTCitationRedir.aspx?tid=52015415&pid=3647/ Ancestry.com