After warring in Italy, he returned very rapidly to Saxony (making it to Lippe before the Saxons knew he left Italy) for the third time in 776, when a rebellion destroyed his fortress at Eresburg.
Nakon ratovanja u Italiji, Karlo se vratio vrlo brzo u Sasku (stigavši u Lippe prije nego su Saksonci saznali da je napustio Italiju), treći put u 776. , kada je u pobuni uništena njegova tvrđava u Eresburgu.