Robert de Montgomery
Robert was born in 1129 in Thornton, Fifeshire, Scotland.  He died at the age of 51 in 1180 in Eaglesham, Ayshire, Scotland.

 Marjorie FitzWalter
Marjorie was born in 1131 in Paisley Abbey, Renfrewshire, Scotland.

 Sir Alan de Montgomery
Sir Alan was born in 1149 in Eaglesham, Ayshire, Scotland.  He died at the age of 72 in 1221.

 John de Montgomery
John was born in 1152 in Eaglesham, Ayshire, Scotland.