Earl Ferteth of Strathearne
Ferteth was born about 1120 in Strathearn, Perthshire, Scotland.  He died in 1171.

 Ethne of Scotland
Ethne was born about 1130 in Scotland.

 Earl Gilbert of Stathearne
Gilbert was born about 1150 in Strathearn, Perthshire, Scotland.  He died in 1223.