In the epilogue of "Harry Potter and the Deathly Hallows," it says that Harry Potter and Ginny Weasley's older son, James Sirius Potter starts school on Sept. 1, 2015. Author J.K. Rowling didn't forget and sent her best wishes to the young lad.

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The tweet drove Harry Potter fans crazy as the nostalgia sets in that life continues for the character and his family.

I'm in Edinburgh, so could somebody at King's Cross wish James S Potter good luck for me? He's starting at Hogwarts today. #BackToHogwarts

— J.K. Rowling (@jk_rowling) September 1, 2015

Harry has three children namely James, Albus Severus, and Lily Luna. His second son Albus was named after two of the best headmasters of Hogwarts-Albus Dumbledore and Severus Snape, the bravest man Harry ever knew. James was named after Harry's father and godfather Sirius Black. Meanwhile, Lily Luna was named after her paternal grandmother Lily Luna and Luna Lovegood, a great friend of his parents. An hour later, Rowling felt a little guilty for putting the spotlight on the young James and so she tweeted,

Now worried that he'll be irritated by the number of people saying hi. https://t.co/6keaEOsKS0 — J.K. Rowling (@jk_rowling) September 1, 2015

Fans were giddy waiting for what the Sorting Hat had to say. Later on we found out what house James ended up in. Yes, he was sorted to Gryffindor!

Have just heard that James S Potter has been Sorted (to nobody's surprise) into Gryffindor. Teddy Lupin (Head Boy, Hufflepuff) disappointed.

— J.K. Rowling (@jk_rowling) September 1, 2015

The news is probably the biggest back-to-school headline the internet has ever had. Potter devotees are retweeting and replying to Rowling's tweet like crazy.

Hogwarts Express' platform 9 and ¾ definitely had a busy day. With the iconic reputation of James' dad, students and teachers from Hogwarts will surely keep an eye on the young boy.

Potter fans also remembered that Sept. 1 marked the anniversary of the first meeting of Harry, Ron, and Hermione! The hashtag #BacktoHogwarts used by Rowling became trending worldwide.

TagsHarry Potter, James Sirius Potter, Harry Potter's Son First day at Hogwarts, Hogwarts, J.K. Rowling