Percival Dumbledore is a posthumous character in Harry Potter franchise. He was the husband of Kendra Dumbledore and the father of Albus and his siblings, Aberforth and Ariana.
When his daughter was seen practicing magic, a couple of Muggle boys told her to do it again. However Ariana didn't know how to perform the spell again so they attacked her. When Percival learned of this, he attacked them. He was arrested and then sent to Azkaban when Percival refused to explain why he went after the boys. His imprisonment led to Kendra moving out of Their old home and move to Godric's Hallow. It was implired Percival Dumbledore died in Azkaban.