Alexander De Bonkyl
Alexander was born in Boncle, Berwickshire, Scotland.  Alexander is no longer alive.

 Margaret LNU
Margaret was born about 1226 in Lanark, Scotland.  Margaret is no longer alive.

 Margaret de Bonkil
Margaret was born in 1247 in Bonkyl Manor, Undale, Cumberland, Lanarkshire, Scotland.  She died at the age of 57 in 1304.