On this occasion Gatherum Castle, the vast palace which the Duke had built at a cost of nearly a quarter of a million, was opened, as it had never been opened before;--for the Duke's heir had married to the Duke's liking, and the Duke was a man who could do such things handsomely when he was well pleased. 
Gatherum Castle, the vast palace which the Duke had built at huge cost, was opened as it had never been opened before; for the Duke's heir had married to the Duke's liking, and the Duke was well pleased. 