In general the foundation is dated to the early 7th century, although later, under duke Arechis II, it was enlarged in the 8th century into the edifice which is the current one's crypt.
Benevento | Province of Benevento | Sicard of Benevento | Benevento/Russo Duo | Arechis II of Benevento | Ponte (Benevento) | Pandulf II of Benevento | Landulf V of Benevento | Grimoald I of Benevento | Gisulf II of Benevento | Battle of Benevento |
After he attained his majority, he commended his duchy to Pepin the Short, King of the Franks, probably at the coaxing of Pope Stephen II, and rebelled against King Desiderius, being deposed in 758 to be replaced by Arechis II.