Only one; Harry Potter. Had they not been killed it is possible they would have had more.
Chat with our AI personalities
They were both born in 1960. James was born on the 27th of March and Lily on the 30th of January. They were 20 when they had Harry and 21 when they died.
His exact age is unknown. James was already in at least second year by 2017 so he was born between 2002 - 2005.
Godric's Hollow
Harry Potter and Ginny Weasley's only daughter was named Lily Luna Potter, after Harry's deceased mother, Lily, and their good friend, Luna Lovegood.
In the epilogue Lily is nine, Albus is eleven and James is between twelve and seventeen. It is more likely that he is around twelve or thirteen. Lily was born in 2008. Albus in 2006. James 2005 or before.
none
Yes, We see in the epilogue of Harry Potter and the Deathly Hallows that Harry marries Ginny and together they have three children: James Sirius Potter, Albus Severus Potter and Lily Luna Potter.