Walter+ Comyn
Walter+ was born about 1190 in Buchan, Aberdeenshire, Scotland.  He died in November 1258.

 Isabel+ Menteith
Isabel+ was born about 1194 in Menteith, Perthshire, Scotland.

 Isabel+ Comyn
Isabel+ was born about 1214 in Rowallan Castle, Kilmarnock, Ayrshire, Scotland.