Thread:DustpeltX/@comment-5426254-20160819013818/@comment-13593058-20160819014818

There's no discretion. it's more "is it justified use?"

So in the case of the Schnees, they suppose to be a special lineage where summoning have been part of their family for generations, or its assumed.

To play it safe, I'd go for similiar Semblances between siblings or parents but not exactly the same.