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

 ELIZABETH de STAFFORD
ELIZABETH was born in 1338.¹   She died at the age of 37 on August 7th, 1375.¹ 

 ROBERT (Sir) de FERRERS
ROBERT (Sir) was born on October 31st, 1358.^1 1