An act to discharge certain manors and lands in the county of Bedford, the estates of the Most Noble George Duke of Marlborough, from certain trusts and agreements created and entered into by the the said Duke, whereby the said estates were to be settled on Lord Charles Spencer, brother of the said Duke, and his issue, in strict settlement; and for settling other lands and hereditatments in the county of Oxford in lieu thereof; and likewise for varying and carrying into execution, certain other trusts and agreements of the said Duke, for the county of Lincoln, upon Lord Robert Spencer, now an infant, another brother of the said Duke, and his issue, in like strict settlement, and for other purposes.