User blog comment:Fusedtwilight/Possible Season 11 Plots/@comment-184.63.39.153-20150521175335/@comment-2020973-20150522010244

Adam may be blood but I don't think Sam and Dean see him as family. They only met him like once or twice and he was never a hunter. He doesn't share the same bond Sam and Dean do. But I still think it was a dick move of them to forget him