In 1881, a German immigrant named Hannes Tiedeman built a beautiful, Queen Anne style mansion on Franklin BLVD in Cleveland Ohio. He quickly moved his wife and children into the home and named the property the Franklin Castle. Over time, many dark events occurred on the property, leading it to be known as the most haunted house in Ohio.

Sources: 

• Franklin Castle - Wikipedia
• The Franklin Castle | Most Haunted House in Ohio
• The Ghostly History of Franklin Castle: Hauntings of Cleveland, Ohio - Exemplore
• Franklin Castle: The Most Haunted Home in Ohio (theculturetrip.com)
• TIEDEMANN HOUSE | Encyclopedia of Cleveland History | Case Western Reserve University
• Mickey Deans, Judy Garland’s last husband-was a gay drug dealer who lived his last twenty years in the haunted Franklin Castle selling Judy’s Memorabilia. Now the Travel Channel exposes the haunted Franklin Castle on “Ghost Adventures” - The Life & Times of Hollywood (thelifeandtimesofhollywood.com)
• The Story Behind Franklin Castle In Cleveland Is Terrifying (onlyinyourstate.com)