Complex sentence: The name (s) that the "breeders" call themselves is/are unknown, as is whether or not the "breeders" collectively have one single government or whether they consist of multiple states which have become allies.
Split into simpler sentences: The name (s) that the "breeders" call themselves is (are) unknown. It is also unknown whether or not the "breeders" collectively have one single government or whether they consist of multiple states which have become allies.