Wansong Xingxiu
Wansong Xingxiu was a Caodong Chan teacher active under the Jin and early Mongol regimes. He studied with Xueyan Huiman and taught at monasteries in northern China. His commentary on Hongzhi Zhengjue's one hundred verse cases forms the Book of Serenity.
萬松行秀 · 金元 · 1166-1246
Also known as: 萬松、萬松老人、報恩行秀、萬松野老