No. Ned Kelly had no known children, so he had no further descendants.
His mother told him, "Mind you die like a Kelly, son."
Ned Kelly was born in June 1855 at Beveridge, Victoria, the eldest son of John (Red) Kelly and his wife Ellen. He was hanged at Old Melbourene Gaol in November 1880.
The son of a great grandson is a great greatgrandson.
Your niece's son is your grand-nephew. You are the child's grand aunt, or grand uncle (whichever applies).
Your grand niece's son is your great grand nephew, or, some would say, your great great nephew. You are his great grand aunt or great grand uncle, or, some would say, great great aunt or great great uncle.
Ned Kelly's mother, Ellen Kelly, was born in 1830 and died in 1923, making her 93 years old at the time of her death. She was a significant figure in Australian history, often associated with her son, the infamous outlaw Ned Kelly. Ellen Kelly's life spanned a long period of change in Australia, reflecting the challenges faced by Irish immigrants during that time.
your son will be grandfather of your great grand son. :)
Your nephew's grand son is your great great nephew and you are his great great uncle (or aunt)
Her grand great Aunt.
Your niece's son's daughter is your great grand niece. Your niece's son is your grand nephew or your great nephew, whichever term you prefer.
Your great aunt's son is your parent's first cousin and your first cousin, once removed.
Her grand great Aunt.