I think they all ruled at the same time: Bluestar of Thunderclan Ragged,Broken,(Night)&Tigerstar of Shadowclan (I think Blackstar ruled between Bluestar's and Firestar's reign) Crookedstar of Riverclan Tallstar of Windclan
Press space Images from Warriors wiki song- Come a little closer by Cage the Elephant Nightstar wasn't given 9 lives by Starclan because Brokenstar was still alive. Nightstar's death was caused by Greencough. But the clan belived it had claimed all of his lives.
