“For the love, favour, and affection, which I have for my granddaughter, I bind and oblige myself, my heirs myself, my heirs , (succeeding to the estate), under the provisions and declaration after mentioned, to make good payment to the said Mary M'Lean, my granddaughter, of the sum of 7000 merks, in name of additional portion and provision, at the first term of Martinmas after his death.”