There isn't technically an alpha in the Hale household, at least, not in the way Cora is used to, but Alek has learned enough about her world to know what she is asking. "... Logan," he says after a moment. "He's the oldest of my brothers, and the one that's got his shit together. He's taken care of us ever since our mom died."

Even when he was a kid himself, he made himself responsible for all of them. Alek may not have respect for much, but it's obvious he thinks the world of Logan.