Board Thread:General Discussion/@comment-26823938-20150726214619/@comment-4324417-20150727001955

His grandparents are probably dead. No, Barry isn't his own grandfather because, 1. That would be incest, 2. Nora Allen obviously knew her father and I doubt if Barry was his own grandfather, he'd stick around to raise his own mother, and 3. Nora was just commenting on how he looked like her father, meaning he just looked similar to his grandfather seeing as they're related.