my gggreatgrand father was non gong, born in china,as far as we know he stayed there. buthis son james foe , my ggreat grandfather, also born in china, was in usa around 1851 living in pope co. il,what im trying to figure out is where and why he changed his name. what is the meaning of gong in english, if any. james married a lou jones in pope co.il, also a eliza poe in massac co.il. we belive he was married before these two, but unable to find anything. can u help?????