Powell Mansion was the home of Herbert Powell. History When Homer discovers he has a long lost half brother named Herb, he calls him on the phone. Herb invites the Simpsons family over to his mansion for a visit. Appearances Episode – "Oh Brother, Where Art Thou?" Video game – Tapped Out Retrieved from "https://simpsons.fandom.com/wiki/Powell_Mansion?oldid=640591" Categories: Homes Locations Mansions Tapped Out Buildings Community content is available under CC-BY-SA unless otherwise noted.