Three. Zhou Kunxun, a martyr fighting floods, has three sons, namely Zhou Weixun, Zhou Xu Xun and Zhou Xufeng. These three brothers are famous for their father's flood fighting deeds in China's modern history. They also inherited their father's spirit and made important contributions to the country and society. Xun himself is also an outstanding representative of flood fighting in China, and his family witnessed the hardships and victories of flood fighting in China.