John Trelawney
John was born in 1423.

 Candida Blanche Pownd
Candida Blanche was born in 1424.  Candida Blanche is no longer alive.

 Sir John Trelawney
Sir John was born in 1450.  He died at the age of 63 on November 14th, 1513 in Tournay,England.

 Roger Trelawney