Thomas De Clinton
Thomas was born about 1206 in Amington, Warwickshire, England.  He died before 1278.

 Mazera De Bisege
Mazera was born about 1210 in Baddesley, Warwickshire, England.

 Thomas De Clinton
Thomas was born in 1231 in Amington, Warwickshire, England.  He died at the age of 33 in 1264.

 James De Clinton
James was born in 1233.

 John De Clinton
John was born about 1234.