Percy's Falling Out with the Weasley Family
Pages 70-73
Ron explains that Percy Weasley had a serious falling out with the Weasley family after being promoted to Junior Assistant to the Minister of Magic, Cornelius Fudge. Percy accused Arthur Weasley of being disloyal to the Ministry due to his support for Dumbledore. The argument led to Percy leaving home and severing ties with his family.
