 At the same time, Geoffroy de Trent abandoned his portion of Melleray Abbey and two-thirds of all the tithes of the land of the Abbaretz forest (""decimas terre sue de foresta de Abbaret"").In 1242, Guégon Le Gruc and his wife Agathe of Trent (daughter of Olivier and niece of Geoffroy of Trent) confirmed this pious donation.The parishioners of Abbaretz tried to oppose the increase in their tithes by the monks at Melleray.