John Plantagenet
John was born on July 10th, 1266. He died at the age of 6 on August 1st, 1272.
Henry Plantagenet
Henry was born on July 13th, 1267. He died at the age of 5 in 1272.
Alfonso Plantagenet
Alfonso was born on November 24th, 1273. He died at the age of 10 on August 2nd, 1284.