Zhang was born September 13 , 1877 , in Wuxing , Zhejiang .
Zhang 's family 's ancestral home was Nanxun , Anhui Province , Zhang 's his grandfather was a prosperous salt and silk merchant .
Zhang was born September 13 , 1877 , in Wuxing , Zhejiang , but his family 's ancestral home was Nanxun , Anhui Province , where his grandfather was a prosperous salt and silk merchant .