John De Mowbray
John was born on September 4th, 1286 in North Ride Yorkshire England.  He died at the age of 35 on March 23rd, 1322 in Yorkshire England.

 Aliva de Braose
Aliva was born in 1286 in Gower Glamorganshire Wales.  She died at the age of 45 on July 20th, 1331 in Glamorganshire Wales.

 Christian Mobray
Christian was born in 1305 in North Ride Yorkshire England.  She died at the age of 60 in 1365 in Plumpton Cumbria Yorkshire.

 John Mowbray
John was born in 1310.  He died at the age of 51 on October 4th, 1361 in York, Yorkshire, England.