These titles were forfeited by the second duke in 1464.

The title was forfeited by the last duke upon execution, and returned to the royal domain.

The title is gained with marriage alone and is forfeited upon divorce.

His estate and title of baronet were forfeited to the crown.

His title was forfeited by the Parliamentarians but restored after the return of the monarchy in 1660.

On 17 May 1536 he was executed for treason, and all his titles were forfeited.

He was beheaded in 1450 and his titles were forfeited.

The title was forfeited following the attainder of the fourth Baron in 1716.

His titles were forfeited and he was beheaded on 22 January 1552.

His title and lands had been forfeited to the crown.