Roger de Mowbray
Roger was born about 1218 in Thirsk & Slingsby, Lincolnshire, England.  He died in November 1266.

 Maud De Beauchamp
Maud was born about 1236 in Bedford, England.  She died in April 1273.

 Sir Roger de Mowbray
Sir Roger was born about 1254 in Axholme, Lincoln, England.  He died in 1297 in Axholme, Lincoln, England.

 Elizabeth de Mowbray
Elizabeth was born about 1256 in Axholme, Lincoln, England.  She died after 1330.