Baron) de FERRERS (Sir ROBERT
Baron) de FERRERS (Sir was born on March 25th, 1309.¹   He died at the age of 41 on August 28th, 1350.¹ 

 UNKNOWN MARGARET
UNKNOWN is no longer alive.

 JOHN de FERRERS
JOHN was born on August 10th, 1331.¹   He died at the age of 35 on April 3rd, 1367.¹