Your niece's son is your grand nephew, and you are his great aunt.
Edith Van Dyne has written: 'Aunt Jane's Nieces in Society' 'Aunt Jane's Nieces Abroad' 'Mary Louise in the Country' 'Aunt Jane\\\'s Nieces in Society' 'Aunt Jane's Nieces Abroad' 'Aunt Jane's Nieces on Vacation' 'Aunt Jane's Nieces at Millville' 'Aunt Jane's Nieces on the Ranch' -- subject(s): lace, oranges, lemons, ranches, racial tension, Southern California, child care, smuggling 'Aunt Jane\\\'s Nieces Abroad' 'Aunt Jane's Nieces on Vacation' 'Aunt Jane's nieces in society' 'Mary Louise and Josie O'Gorman' 'Aunt Jane\\\'s Nieces Out West' 'Aunt Jane's Nieces at Work' 'Aunt Jane's Nieces' 'Mary Louise' 'Aunt Jane's Nieces Out West'
If you are female and have a son, your aunt's niece's son could be you. Your aunt's niece's son could also be your first cousin, once removed, if he is the son of one of your first cousins. Your aunt also may have nieces who are not related to you, and then the son is not related to you either.
Aunt Jane's Nieces was created in 1906.
Your niece's son's son is her grandson. He is your great great nephew and you are his great great aunt or great great uncle, depending on your gender.
Aunt Jane's Nieces Out West was created in 1914.
Aunt Jane's Nieces at Work was created in 1909.
Aunt Jane's Nieces on the Ranch was created in 1913.
Aunt Jane's Nieces on Vacation was created in 1912.
Aunt Jane's Nieces at Millville was created in 1908.
Aunt Jane's Nieces in Society was created in 1910.
Aunt Jane's Nieces Abroad was created in 1907.
Aunt Jane's Nieces Out West has 316 pages.