Gilbert De Umfreville
Gilbert was born in 1310 in Castle Prudhoe, Northumberland, England.  He died at the age of 70 in 1380.

 Joan Willoughby
Joan was born about 1315 in England.

 Robert De Umfreville
Robert was born about 1336 in England.

 William De Umfreville
William was born about 1338 in England.

 Gilbert De Umfreville
Gilbert was born about 1340 in England.