John De Norton
John was born in 1364.

 Maud De Grey
Maud was born in 1385.¹   She died at the age of 65 in 1450.¹ 

 John De Norton
John was born in 1410 in Sharpenhow, Bedfordshire, England.¹   He died at the age of 60 in 1470 in Bedford, England.¹