Alexander Graham

6. Alexander, who, with his brother Robert, witnesses a charter by Robert, Duke of Albany, to Sir William Graham, dated 4 August 1420,(10-215) and as 'patruus' of Patrick, Lord Graham, witnesses a charter by him at Mugdock, 23 October 1460, when he must have been upwards of seventy years of age.(11-215)

Sources

1. The Scots peerage founded on Wood's ed. of Sir Robert Douglas's Peerage of Scotland; containing an historical and genealogical account of the nobility of that kingdom. Published 1904 by D. Douglas in Edinburgh .  Vol Vl page 214