John De Mowbray II Lord
John was born on September 4th, 1286.  He died at the age of 34 on March 23rd, 1321.  He was buried in 1321.

 Aline De Braose

 John De Mowbray Mowbray III Lord
John De Mowbray was born on November 29th, 1310 in , , Yorkshire, England.  He died at the age of 50 on October 4th, 1361.  He was buried in October 1361.