John Crichton
John was born about 1278 in Crichton, Edinburgh, Midlothian, Scotland.  He died before 1357.

 William De Crichton
William was born about 1304 in Crichton, Edinburgh, Midlothian, Scotland.  He died before 1393.

 John Crichton
John was born about 1306 in Crichton, Edinburgh, Midlothian, Scotland.