Mortgage for £7000 of the Porkington, Clenennau and Llanddyn estates by Sir Robert Owen and other members of his family to the trustees of Thomas Earl Rivers, Viscount of Colchester, Lord Darcy, Baron of Chirk, 1687, with a further sum of £500 in 1690, which was assigned to Arabella Lady Rivers in 1708 as part of the securities for the sum of £21,000 to be settled on her after the death of her husband. In a dispute between the Rivers and their trustees, Chancery had decreed that £7000 of Arabella 's marriage portion should be invested in mortgage to Sir Robert Owen, 1687. The file contains Sir Robert Owen 's bond in statute staple, defeasances and his receipts for the mortgage money, 1687. Subsequent documents include family agreements and financial arrangements made by Lady Arabella Rivers and by her Bertie half-brothers, 1706-1720, with regard to the various sums of money secured upon bonds and mortgages. Other items comprise accounts and receipts for interest repayments, 1697-1730; abstracts of title of Albemarle Bertie, 1687-1720; a conveyance made by the direction of Chancery to trustees of Charles, Lord Burford, second duke of St Albans, which included Sir Robert Owen 's recognizance and statute staple as suitable security for family investments, 1724; a statement of William Owen 's financial obligations [pre-1727]; an assignment to William Owen 's representative upon repayment of the mortgage, and documents associated with the disentailment and reconveyance of the estate, 1729-1730.