Kimimmaros bone kg of is part of a hidden mist clan not kaguyas. It is allowed though.

That being said in regards to clan heritage there are still aspects of rather not have ill be blunt I want rogue ninja from villages be it ex swordsman of the mist or simply ninja with kekkei genkai such as boil or explosive release. Normal skill driven ninja are good to but I'd like to start away from dead clans that are key development for prime clans