answers.yahoo.com More answers - read more
A person's niece's son would be called a grandnephew, and the person would be a great aunt or uncle. In general, as new generations are added, aunts, uncles ... - read more
Please vote if the answer you were given helped you or not, thats the best way to improve our algorithm. You can also submit an answer or search documents about what relationship is my nieces son to me.