He lost his inheritance following sexual misconduct with his mother-in-law and making a plan to imprison his father in a cellar to deprive him of sleep and drive him insane to obtain his lands.
After his father's death his mother married John Gordon, a son of the Earl of Huntly, who then took possession of the castle and lands, and promptly imprisoned her.
[5] When Mary was nearby on 20 September, she had sent her trumpeter messenger to deliver the castle to the captain of her guard, but he was refused.
[6] In October 1562 the Earl of Huntly sent Mary the keys of Findlater and Auchindoun, but she was suspicious of the low status of the messenger.
He built the nearby Cullen House to take the place of the castle as the family seat and by the time he died in 1653 it was little used and in decline.