Who is Sister Suining?

Suining's third sister is the elder sister who practices Lingquan, the second sister who practices Guangde, and the third sister who is far away from Putuo Mountain in the South China Sea. According to relevant public information, among the three sisters of Guanyin, the elder sister practices Lingquan, the second sister practices Guangde, and the third sister lives in Putuo Mountain in the South China Sea, while the two temples in Suining are empty, which means that Lingquan Temple is fierce and Sun Kuiqiao is guangde temple.