Duncan MacDuff
Duncan was born in 1262 in Fifeshire, Scotland.  He died at the age of 26 on September 25th, 1288 in Petpolloch.

 Joan De Clare
Joan was born about 1268 in England.

 Duncan MacDuff
Duncan was born in 1285 in Fifeshire, Scotland.  He died at the age of 68 in 1353.