Sunming Zhao (Hànzì: 趙孫明, Pinyin: Zhào Sūnmíng, On'yomi: Chō Sonmei) is Lan Di's father. Zhao was a master of Tiger Swallow Style. Yuanda Zhu says that Iwao Hazuki murdered Zhao accidentally in Mengcun, and that is the reason Lan Di went to kill him. Although, Zhu believes that it happened, and it could not be true.
- There are rumors that the unknown man in the Photo of Father is Sunming Zhao.