If he bought property belonging to a feudal holding, or to a ward in chancery, he had to return it and forfeit what he gave for it as well.
The latter is the forfeit usually named in the contract for his repudiation of her.
Because Dobbs Ferry had been a part of Philipse Manor all lands in it were declared forfeit at the time of the War of American Independence (see Yonkers), and new titles were derived from the commissioners of forfeitures.
The conspiracy failed, and Eustace was sentenced to forfeit his English fiefs.
In return for these privileges the lord was liable to forfeit his rights if he neglected to protect and defend the tenant or did anything injurious to the feudal relation.