In their circles one was expected to emulate their parents. To stray too far from family expectations was the worst thing a child could do. It was the reason Rodolphus had spent so many years stepping in to keep Rabastan in line. He'd seen what had happened to Sirius Black and he did not want his brother to suffer the same fate. Without family, what did one truly have?
It was with that thought in mind that he closed the distance between where he was standing and Draco had seated. The boy was family and even if his mother had lost her mind, Rodolphus would not hold it against him. In fact, it hurt him to see Narcissa so bitter, not that he would ever admit to such. "It seems there isn't much of a choice."