YOU ARE READING Ask Phoenix Random I'm Elsa's unknown sister, Phoenix! Ask me questions! Only three sisters 110 9 5 by ElsaOfFlames by ElsaOfFlames Follow Share Post to Your Profile Share via Email Report Story Send Send to Friend Share Post to Your Profile Share via Email Report Story Are there only three sisters? No. Don't think so. I know sapphire is one. But I am the oldest out of all.