As stadtholder Prince William IV of Orange also was the head of the army and navy of the Republic. This ceremonial chair was ordered for him by the Admiralty of Amsterdam Possibly the chair was designed by the Hague artist Nicholas Bruynestein, an brother-in-law of Xavery, but it could also be that he has only gilded it.Furniture maker: Attributed to (the workshop of) the widow of Jan Baptist Xavery, 1747-1748