In this enthralling episode of Guernsey Deep Dive, we journey into the secretive depths of one of the island's most intriguing landmarks, known by many names: Pleneuf Court, Rosenheim, and, most captivatingly, the Chain House. Each name tells its own story, woven into the rich tapestry of Guernsey's folklore and history. We'll unravel the layers of this private residence's past, tracing its roots all the way back to the 16th century when it was nothing more than a patch of unnamed farmland. Fast forward to the 19th century, Reverend William Maul Barnes and his visionary wife, Rosa Huyshe, transform it into Rosenheim, a romantic sanctuary adorned with salvaged architectural treasures and lush gardens that once drew tourists from afar. The episode explores Rosa's passion for preserving Guernsey’s architectural heritage, her creation of a captivating outdoor museum filled with historical artifacts, and the compelling stories of the eccentric personalities who called this place home, including the flamboyant Duke de Pleneuf. But what truly haunts listeners are the mysterious origins of its most notorious name, the Chain House, steeped in local legend and intertwined with the spectral narrative of Chico, the ghostly chain-rattling dog. Delve into the theories that surround this enigmatic nickname—be it literal, folkloric, or symbolic—and understand how a single name can capture the imagination, embodying centuries of lore and tradition. Join us as we unravel these mysteries and explore the intersection of history, superstition, and cultural memory that make the Chain House emblematic of Guernsey's past and present.