Complex sentence: The island lies in Höfe district of Canton of Schwyz and belongs since 13/14th century to the Rapperswil community (now called "Ortsbürgergemeinde").
Split into simpler sentences: The island lies in Höfe district of Canton of Schwyz. Since 13/14th century, it belongs to the Rapperswil community (now called "Ortsbürgergemeinde").