John T. Grenfell Married Dorothy Ellen Brown. Dorothy Ellen Brown born January 16, 1946 born in Waltham, Massauchsetts?John and Dorothy Grenfell children are Laura Beth, Julie Michelle, Amy Ann Grenfell. Dorothy' father was Allen Edwin Brown and mother was Emily Ann Conable. also Dorothy's sister Emily "MIMI" Ann Brown and husband Lawrence W. Edwards. Allen Edwin Brown was brother to Laura Brown my great grandmother. I am also looking for John T. Grenfell Father and Mother.