Ronald Bilius "Ron" Weasley was a pure-blood wizard, the sixth son of Arthur and Molly Weasley. He was the younger brother of Bill, Charlie, Percy, Fred and George, and the elder brother of Ginny. Ron and his brothers and sister lived in The Burrow where Harry and Hermione stayed quite often.
Ron, Harry and Hermione faced many challenges together, including keeping the Philosopher's Stone from Professor Quirrell, driving the car to Hogwarts and saving Ron's sister from the Chamber of Secrets in the early years.
Later forming Dumbledore's Army, and fighting in numerous battles of the Second Wizarding War, including the Battle of the Department of Mysteries, the Battle of the Astronomy Tower, the Battle of the Seven Potters and the Battle of Hogwarts.
Ron also became a Gryffindor prefect and a Keeper on the Gryffindor Quidditch team during his fifth year at Hogwarts. He skipped his last year of school in order to accompany Harry and Hermione on a quest to destroy the Horcruxes of Lord Voldemort and fought in the Battle of Hogwarts, in which he lost his brother, Fred.
After the war, Ron, along with Harry Potter and Neville Longbottom, joined the Aurors at the invitation of Minister for Magic Kingsley Shacklebolt, in order to track down Death Eaters who escaped capture. Eventually, he went to work at Weasleys' Wizard Wheezes with his brother George. He and Hermione eventually married and had two children: a daughter named Rose and a son named Hugo.