Roger de la Zouche, Lord of Ashby
Roger was born in 1242.  He died about October 15th, 1285.

 Ela Longespée
Ela was born in 1244.  She died about July 19th, 1276.

 Alan la Zouche, Lord of Ashby
Alan was born on October 9th, 1267.  He died at the age of 46 on March 25th, 1314.