Gilbert De Clare
Gilbert De was born on May 10th, 1291 in Winchcombe Near, Tewkesbury, Gloucestershire, England.  He died at the age of 23 on June 24th, 1314 in Battle of Bannockburn, Stirlingshire, Scotland.  He was buried in 1314 in Tewkesbury Abbey, Gloucester, England.

 Matilda De Burgh
Matilda De was born about 1288 in Gloucestershire, England.  She died in 1320.

 John De Clare
John De was born on April 3rd, 1312 in Cardiff, Glamorganshire, England.  He died in 1312.  He was buried in Saint Mary Chapel, Tewksbury, Gloucestershire, England.