Hobbs, Charles Alexander, b 14 Sep 1895; d 30 Aug 1966 Dallas Co, TX; last residence Dallas, Dallas Co, TX; SS card issued in TX. [name shown as Charlie on SSDI]
From TX Dth Idx:
Hobbs, Charles Alexander, Jr, d 27 Feb 1989 Dallas Co, TX.
Hobbs, Mary B., b 20 Nov 1900; d 22 Feb 1973 Dallas Co, TX; last residence Dallas, Dallas Co, TX; widowed; SS card issued in TX.
You can obtain a copy of the death certificates for Charles and Mary and they should show the names of their respective set of parents.Accuracy only as good as the knowledge of the informant, but each filled out their own application for a Soc Sec card and those applications should show name of parents, residence at time their application and other data, too.