"And how are you going to do this? You need to have an heir with Black blood and magic and since Akira is blood-adopted and Nymphadora and that Malfoy brat are distant relatives that boy had more rights over the title than all three combined. We need to find out, who his parents are. From there we could use this to our advantage", Andromeda argued. Sirius tried to argue back, but his cousin was right. That boy is presumably a Black by blood and magic and was coming from the main branch.