William IV de Ros
William IV was born in 1290 in Helmsley,Yorkshire,England.  He died at the age of 52 on February 3rd, 1342.

 Margary de Badlesmere
Margary was born in 1306 in Castle Badlesmer,Kent,England.  She died at the age of 57 on October 18th, 1363.

 Elizabeth De ROS
Elizabeth was born about 1320.

 Maud de Ros
Maud was born in 1328 in Yorkshire,England.  She died at the age of 71 in 1399.

 Thomas DE ROS
Thomas was born on January 13th, 1336 in Stoke Albany,Northamptonshire,England.  He died at the age of 48 on June 8th, 1384 in Uffington,Lincolnshire,England.