Guy IV De Chatillon
Guy IV was born in 1226.  He died at the age of 63 on March 12th, 1289.  He was buried in , Guingamp, 22,.

 Mahaut De Brabant
Mahaut was born in 1224.  She died at the age of 64 on September 29th, 1288.

 Guy De Chatillon
Guy was born in 1254.  He died at the age of 63 on April 6th, 1317.