sentences:  Hu Dahai was born in present-day Si County, Anhui Province.His family was of Persian extraction (though he was almost certainly of mixed Persian-Chinese blood), having come to China through the Silk Road and settled in Anhui as youtiao vendors; Hu was a Chinese Muslim from the Hui ethnic group.Hu joined Zhu Yuanzhang's army sometime around the fall of the Mongol-led Yuan dynasty.