Complex sentence: When exploring the house, she discovers "The Swan Room" that belonged to Malcolm's mother, which has been kept as a shrine to her and contains a very large, ornate bed carved into the shape of a swan.
Split into simpler sentences: When exploring the house, she discovers "The Swan Room," a room that belonged to Malcolm's mother, which has been kept as a shrine to her. In the room, there is a very large, ornate bed carved into the shape of a swan.