 The remainder of his estate, not entailed, was largely devised to the trustees of his first wife's will (registered 1875) for the purposes of setting up the Museum.By the terms of his father's entailment, his English properties reverted to his legitimate cousins upon his death.Streatlam Castle was eventually sold by the family in 1922 on the eve of the wedding of Lady Elizabeth Bowes-Lyon to the Duke of York, allegedly to pay for the costs of the wedding.