Draco eventually married Astoria Greengrass and had at least one child, Scorpius Malfoy.
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She is Hermione Granger. She became Hermione Weasley when she marries Ron Weasley.
Ron Weasley received the howler at breakfast on the 2nd September 1992, the day after arriving at Hogwarts.
Four: Percy, Fred, George and Ron.
Mr. Weasly's Car. It flew the boys to school.
A shooting star.
Ron Weasley lived through the battle at Hogwarts, graduated, married Hermione, and went to work as an auror at the Ministry of Magic.
After the Battle of Hogwarts, Ron first worked with George in Weasleys' Wizard Wheezes, but eventually became an Auror.
Ginny Weasley, Ron's younger sister. However as she hasn't started Hogwarts yet we don't really see much of it. Ginny only appears twice in the book. Her crush on Harry becomes more prominent in the second book when she starts Hogwarts and is around him more often.
Ron and Hermione had two children: Rose and Hugo Weasley. Rose Weasley was born in 2006 and started Hogwarts in September 2017. She was said to have her mother's brains. Hugo Weasley was younger than his sister and likely born in 2008.
George Weasley continued to run the shop with the help of his brother Ron Weasley. It became very successful, especially among Hogwarts students.
No, he has never killed anybody.
Bloody hell.