Original: In 1914, the couple opened a dancing school in New York called "Castle House", a nightclub called "Castles By the Sea" on the Boardwalk in Long Beach, New York, and a restaurant, "Sans Souci."
Simplified: In 1914, the couple opened a dancing school in New York called Castle House, a nightclub called Castles by the Sea on the Boardwalk in Long Beach New York, and a restaurant, the Sans Souci.