Ron smiled a bit, though he was still too conscientious to actually admit that Voldemort's name was a bit on the silly side.

He furrowed his brow as he thought about inbreeding. "Well, most Purebloods marry their cousins, I think. My parents might be related by marriage, but I don't really listen when they talk about that stuff." Wincing, he remarked, "I'll bet the Malfoys and the Blacks are all inbred, then."