John de Grey
John was born in 1387.¹   He died at the age of 52 on August 27th, 1439.¹ 

 Constance de Holland
Constance was born in 1387.¹   She died at the age of 50 on November 14th, 1437.¹ 

 Alice de Grey
Alice was born in 1415.¹   She died at the age of 59 on April 4th, 1474.¹