John de Mowbray, 2nd Lord Mowbray
John was born on September 4th, 1286.  He died  due to Hanged about March 23rd, 1321.

 Aline de Breuse
Aline was born about 1290.  She died before August 21st, 1331.

 John de Mowbray, 3rd Lord Mowbray
John was born on November 29th, 1310.  He died at the age of 50 on October 4th, 1361.