Thomas Plantegenet
Thomas was born on June 1st, 1300.  He died at the age of 38 in August 1338.

 Eleanor Plantegenet
Eleanor was born on June 17th, 1264.

 Elizabeth Plantegenet
Elizabeth was born on August 7th, 1282.  She died at the age of 33 on May 5th, 1316.

 Edward Caernarvan
Edward was born in 1284.  He died at the age of 43 in 1327.

 Edward II England
Edward II was born on September 25th, 1284 in Caernarvon Castle, Wales.  He died at the age of 42 on September 21st, 1327 in Murdered, Burkely Castle, Eng..