In 1590 John Forbes, known as the Master of Forbes, was accused of imprisoning his father in a chamber at Druminnor Castle and hitting him on the head with the pommel of his sword.
In May 1591 the Master of Forbes claimed his brothers had turned his father against him, and while Lord Forbes was lying sick at Dundee they had entered and robbed the House of Druminnor.
[1] In July 1592 John, Master of Forbes, wanted his son to marry a sister of the Earl of Gowrie, but this connection was opposed by the Earl of Huntly, as it would weaken him politically.
[2] John Forbes married firstly, Margaret Gordon, daughter of George Gordon, 4th Earl of Huntly and Elizabeth Keith.
Their children included: He married secondly, in 1580, Janet Seton (1544–1616), daughter of Walter Seton of Touch, and widow of John Bellenden of Auchnoul.