We don't know that yet but also they are not blood related and the dude is immortal soooo. I don wanna jump to conclusions. Maybe some characters will be introduced as the story goes on?
I think the father figure is the wolf guy but this guy was supposed to be up there in two that’s not OK I like the plot so much what the fuck am I supposed to do now
Gotta say that smile at the last panel scared me a bit