Bryn Du Mansion is a beautiful historic wedding venue located on a 52-acre estate in Granville, Ohio. Built in 1905, The Bryn Du Mansion is a timeless and romantic place to celebrate our wedding. Guests are expected to dress in evening attire—men in suit & tie and women in gowns or upscale cocktail dresses. Please treat our celebration of love as a Valentine's Day date night of dinner, drinks, and dancing.