John IIl De Hesdin
John IIl was born on September 14th, 1246 in ?.¹   He died at the age of 36 on March 18th, 1283 in ?.¹ 

 Lady Isabella De Mortimer
Isabella was born about 1248.  She died on April 1st, 1292.

 Maud Fitzalan
Maud was born in 1263.

 Joan Fitzalan
Joan was born in 1265.

 Richard Fitzalan
Richard was born on February 3rd, 1267.  He died at the age of 35 on March 9th, 1302.

 Matilda Fitzalan
Matilda was born in 1269.

 John Fitzalan
John was born in 1271.

 Amy Fitzalan
Amy was born in 1273.

 Eleanor Fitzalan
Eleanor was born in 1277.  She died at the age of 51 in July 1328.