Sir John Chidiock
Sir John was born on November 1st, 1401.  Sir John is no longer alive.

 Lady Katherine of Lumley
Lady Katherine of was born in 1404.  She died at the age of 57 on June 2nd, 1461.

 Margaret Chidiock
Margaret was born in 1425.  She died at the age of 73 in 1498.

 Katherine Chidiock
Katherine was born in 1426.