Migration: The first ancestor of the Gan family in Puyang, who migrated from Hongdong, Shanxi to Wangshuiwan Village in Haitong Township, Puyang County during the Hongwu year of the Ming Dynasty; The other ancestor of the Gan family in Puyang migrated from Hongdong, Shanxi to Ganluqiu Village, Haitong Township, Puyang County in the early Ming Dynasty; Another ancestor of the Gan family in Puyang migrated from Hongdong, Shanxi to Gan'antou Village, Langzhong Township, Puyang County in the early years of the Ming Hongwu era. The founder of the Haitong Gan family moved from Hongdong, Shanxi to Gan'antou, Haitong Township, Henan Province during the Ming Dynasty; The ancestors of the Gan family in Jining migrated from Hongdong County, Shanxi Province to Yutai Ganzhuang, Jining, Shandong Province in the Hongwu year of the Ming Dynasty.