Xenophilius Lovegood betrays Harry in Harry Potter and the Deathly Hallows. The Death Eaters have Xenophilius' daughter, Luna.
Harry Potter's Biggest Betrayal Makes No Sense. Peter Pettigrew was a member of the Marauders before he betrayed his friends in Harry Potter, but that choice makes no sense. Even more so than the magical elements, the Harry Potter franchise can be defined by its relationships.
Snape was instructed by Dumbledore to give Voldemort the true departure plan for Harry - except for omitting that there would be seven Harry Potters.
For a children's series, there are a fair amount of backstabbers and betrayers in Harry Potter, but none are worse than Peter Pettigrew, a.k.a. Wormtail, a.k.a. the reason Harry Potter is an orphan. During the First Wizarding War, it is Wormtail who tells Lord Voldemort where the James and Lily are hiding.
Harry betrayed Hermione. After several years, he discovered the truth.
She lost her virginity to Ron sometime after the Battle of Hogwarts.
HOGWARTS REUNION STORY WARNING: Ron-bashing Nineteen years ago, Hermione Granger was dating Ronald Weasley. The night before their first anniversary, Hermione catches Ron cheating on her. Devastated, Hermione moves on with her life, until she runs...
The Head of Slytherin is Horace Slughorn (who left the role to Severus Snape for fifteen years before taking it up again in 1996) and the House's patron ghost is the Bloody Baron.
Gilderoy Lockhart is a major antagonist of J.K. Rowling's 1998 novel Harry Potter and the Chamber of Secrets, its 2002 film adaptation of the same name, and a minor character in Rowling's 2003 novel Harry Potter and the Order of the Phoenix.
According to the films, Hedwig's killer might have been Selwyn, who was known to be pursuing Harry and Hagrid at the time since Hedwig's death in the film happened quite a while into the fight when there was only a couple death eaters following them, or it might have been Stanley Shunpike under the Imperius Curse.
In 1998, Fred participated in the Battle of Hogwarts, defending the castle's passageways with his twin. While fighting alongside his brother, Percy, he was killed in an explosion possibly caused by Death Eater Augustus Rookwood.
When Voldemort returned to his hometown to murder his father and paternal grandparents, he took the ring and turned it into a Horcrux. Dumbledore eventually retrieved the ring and destroyed it with the sword of Godric Gryffindor.
Now, as firmly established, Snape was not the greatest fan of Harry, but that didn't mean that he ever stopped loving Lily. Dumbledore was surprised that Snape seemed to care for the boy. With a swish of his wand, Snape conjured up a Patronus – Lily's Patronus, a doe. 'Always,' he said.
The betrayal here stems again from the idea of "For the Greater Good" – Dumbledore seems to have chosen Harry to die, since he had already been chosen to die once, in order to save the rest of the world… he just never informed Harry of this decision. Whoops.
Voldemort was Salazar's heir, and as far as it is explained, he is taking up the mission in the way he believes Salazar had intended, with the Chamber and the Basilisk.
But when they went to Hogwarts, everything changed. The pair were parted when the Sorting Hat placed Severus in Slytherin and Lily in Gryffindor, and while Lily thrived in her new, magical life, Snape was essentially placed in close quarters with the likes of Lucius Malfoy, Avery and Mulciber.
Snape's love for Lily fed his hatred for James, and meant he would stop at nothing ' even arranging the murder of her child ' to possess Lily. Lily's life would be spared in return for Snape giving information of the prophesy to Lord Voldemort.
Her real parents were Daneel and Dean Novak, Pureblooded wizards. Turns out Daneel was Tom Riddles younger sister, Daneel Riddle. Of course, the Riddles were related to Salzar Slytherin himself, and this made Hermione the living heir of Slytherin. The problem with being a female Slytherin heir, is that they're cursed.
Professor McGonagall is a professor at Hogwarts School for Witchcraft and Wizardry, the head of Gryffindor House, the professor of Transfiguration, the Deputy Headmistress under Albus Dumbledore and a member of the Order of the Phoenix.
Horace Slughorn (1997 - present) Horace, after being convinced by Dumbledore and Harry Potter, returned to Hogwarts as the Potions master. After Severus killed Dumbledore and became headmaster of Hogwarts, it was decided that Horace was to become the Head of Slytherin House once again.
Ron and Hermione aren't divorced. In fact they are happily married and madly in love.
Ron cheats on Lana Jenkins, his first partner in the house, but fans find it difficult to believe her reaction; this season's Love Island has begun to wow its audience. From its destination: South Africa, after a few years of absence, to its vivacious host, Maya Jama.
One of the best examples was his reaction to Harry being mysteriously chosen for the Triwizard Tournament: Ron not only refused to believe his best friend's protests that he had not put his name into the Goblet of Fire, but then proceeded to act like a petulant and jealous idiot rather than support Harry in this time ...