John of Dunbar, son and heir of Sir John of Dunbar the knight, the late lord of Birkenside, has given, granted and by this his present charter established to Dryburgh Abbey, for the salvation of his soul and his spouse, and for the salvation of the souls of his father and his mother and all his ancestors and successors, one mark of silver every year, to be received from his ferme of Birkenside (BWK) for the sustenance and improvement of the church, in free, pure and perpetual alms, viz.: half at Pentecost and half at the feast of St Martin in winter. The canons accepted them, viz.: him, his spouse and his children, into fraternity, and granted to them participation in all of the masses, prayers and other benefits of their church. John promises warrandice.
prob. early 14th century
The grantor’s father, John, lord of Birkenside, was younger brother of Patrick IV, earl of Dunbar and March (1289-1308) and witnessed charters of his father (_Coldstream Cartulary_, no. 1, 1273 × 89; no. 16, 1248 × 89) and brother (_Ibid._, no. 14)