William I "The Lion"
William I "The was born in 1143 in Dunfermline, Scotland.  He died at the age of 71 on December 4th, 1214 in Stirling, Scotland.

 Isabel Avenal
Isabel was born about 1140 in Sandhurst, Gloucester, England.  Isabel is no longer alive.

 Ada de Huntingdon
Ada was born about 1164 in Dunfermline, Scotland.

 Isabel De Huntingdon
Isabel was born about 1165 in Dunfermline, Scotland.