“The ground on which damages are demanded from the executors of William Duke of Queensberry, is, that his Grace entered into a combination with his tenants on his estate to defraud the heirs succeeding to it, and let leases, reserving therein a small rent, and taking sums of money as grassums from these tenants; that it has been found that these leases are void and null; and as, by means of them, the present Duke of Buccleuch has been prevented from drawing the full value of his estate since the death of the said Duke William, his Grace