source: Danville Gazette (Danville, Indiana) - issue of Thursday, September 26, 1957 - page 9, column 5:
According to a legal notice, in September 1957 there was a petition filed by Harry Hoop, Jr. in the Hendricks County Circuit Court (case #198) to adopt minors Chester Clyde Ostling, Richard Allen Ostling and Evelyn Delores Ostling. Their biological mother, Delores Irene (Ostling) Hoop, was listed as residing at Rural Route No. 2, Box 119 in Clayton; their biological father, Chester Raymond Ostling, was listed as whereabouts unknown. The case was scheduled to be heard in court on November 18, 1957.