John Trelawney
John was born in 1393 in Cornwall, Eng.  He died at the age of 30 in 1423 in Cornwall, Eng.

 Joan Helligan
Joan was born in 1393 in Tournay, Cornwall, Eng.  She died at the age of 30 in 1423.

 Johanna Trelawny
Johanna was born in 1421 in Tournay, Cornwall, Eng.

 John Trelawney
John was born in 1423 in Tournay, Cornwall, Eng.