Guo Xiaotian
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Guo Xiaotian (郭嘯天) is the father of Guo Jing (郭靖) in Jinyong's novel and the husband of Li Ping (李萍). He became brothers with Yang Tiexin(楊鐵心)and said that their child should become brothers if they are both male, sisters if they are both female, or husband and wife if they are one male and one female.