search 4 last name Crous, mother to Amy, OKC,1977

Looking for mother or relation to an adoption that took place at Baptist Hospital in Oklahoma City, Oklahoma Amy Lynn was adopted by Charles and Betsy Carpenter on the day she was born, Sept 13 1977 She has brown eyes and brown hair All we know is that her parents were german mother's maiden name is Crous father was injured in Vietnam Amy's adopted last name is Carpenter If anyone has any information please contact me at MarandaKiaha@cox.net Thank you