“Forasmuch as Captain Patrick Heron, my (second) son, is to relieve me of the sum of£920 sterling, due by me to Patrick Heron of that ilk (my nephew), and for which sum the said Patrick hath an heritable security upon the lands of Bargaly and others, the which sum extends to 19 years' purchase of said lands, upon payment of which the said Patrick Heron is to denude himself of all right to the lands: Therefore, to have sold, annailzied, and disponed to and in favour of the said Captain Patrick Heron, my son, in liferent, and to Andrew Heron, his second lawful son, in fee; which failing, to any other of his sons he shall think fit, heritably and irredeemably,”