YES, Robert was the son of Abner George Ingels dob: 1/23/1895 dod: 8/3/1956.
Abner was the son of Thomas W. Ingels (who married Elizabeth Katherine Bahr).
Robert had a brother: Carlton George Ingels dob: 4/27/19
Robert had a sister: Dorothy E. Ingels (married Singletary). dob: 1/27/1921 dod: 10/13/2001.
I have my tree posted on this website.