He immediately came to an agreement with Grimoald's other son, Romualdo I of Benevento, who pledged loyalty in exchange for recognition of the autonomy of his duchy.
Ta jõudis kohe ka kokkuleppele Grimoaldi teise poja, Benevento Romualdo I-ga, kes vandus truudust vastutasuks tema hertsogkonna autonoomia tunnistamisele.