Cane's mother, Chrystal was the firstborn of the previous king, but because she chose to step down from the royal battle for the throne and married her mate, the alpha of the Howling Wolf pack, she managed to escape the massacre at that time.
However, when the Howling Wolf pack fell into slavery, not even once, the king interfered, or helped them in any way possible.
They let the slavery of his own uncle's pack stretch for more than ten years, before Cane could gather power and managed a coup against alpha Gerald. He won the battle, but it didn't mean they could breathe in relief yet, since they were still in a predicament.
"I think we need to get rid of Gerald's children before he comes. I feel he has a hidden agenda with his visit," Jace said.
Of course, the king did. What else was the reason he suddenly wanted to visit this pack if he didn't?