There is no quick answer to this question as it is a very involved procedure. Your country of residence and the nationality of the child will be important.
He came from London, England.
I assume your nephew is a minor. If you live in the United States and he is not a citizen of the United States, there is a procedure you can use to make him a citizen. There are immigration lawyers who are familiar with the process.
Prince Rupert (Charles I of England's nephew) Prince Rupert (Charles I of England's nephew). He is known as "The Bloody Prince" because in April 1643 him and his troops destroyed Birmingham and murdered many people during the Civil War.
Stephen of Blois, nephew of the previous king Henry I.
The pound (GBP, pound sterling). There is no prospect of Britain adopting the Euro in the foreseeable future.
Your nephew's nephew is the son of one of your nephew's brothers or sisters. He is your great nephew.
Your mother's (mom) nephew is your answer.
Your nephew's son is your grand nephew or great nephew.
Your nephew's son is your great nephew. Your niece's son is also your great nephew.
England governed the 13 colonies in 1600's by adopting the policy. It made it to where colonies pay a proportion of the costs t the empire.
Your wife's nephew is your nephew and his son is your wife's, and your, great nephew.
The male counterpart of a niece is a nephew.