Robert De Ferrers
Robert was born on March 25th, 1309 in Chartley, England.¹   He died at the age of 41 on August 28th, 1350.¹ 

 Margaret
Margaret was born about 1295.¹   Margaret is no longer alive.

 John De Ferrers
John was born on August 10th, 1331 in Southoe, England.¹   He died at the age of 35 on July 2nd, 1367 in Najera.¹