Looking For my Sister that was Adapted

Birth Name: Linda Kay CrankD.O.B: Sept 7 1970 Location: Streator, Illinois Hospital: St. Mary's HospitalsBirth Mother: Mary Elinor Crank D.O.B Mar 26 1949I am wanting to meet my sister and to get know her. hurts to find out that i have a sister that was giving up for adapted.Back Story: My Grandfather had forced my Mother to give up, my sister for Adaption. He did not want her to have any kids, as he felt our mother could not raise/take care of any kids due to the fact she had a learning disability. Had he not passed away in 1975, he would have also forced my mother to give my other sister and I up for adoption when we were born as well.