Does anyone else think maybe Qetsiyah could've started the line of Bennett witches? I feel like this might be why Shane also has an interest in Bonnie. The spell to free Silas may only be undone by a Bennett witch (which he told Damon in episode 7 he needed to find the "cure", which we now know is buried with Silas) because the person who breaks it must be descended from the witch who originally cast the spell. Thoughts??