Roger Colhan
Roger was born about 1120 in Buchan, Aberdeen, Scotland.  He died after 1179.

 UNKNOWN ?
UNKNOWN was born about 1125 in Buchan, Aberdeenshire, Scotland.

 Fergus Colhan
Fergus was born about 1140 in Buchan, Aberdeenshire, Scotland.  He died in 1199 in Buchan, Aberdeenshire, Scotland.