Radoald (also Raduald) (died 651) was the duke of Benevento (the southernmost Lombard duchy in medieval Italy) from 646 to his death in 651. His elder brother, Aiulf was mentally unstable and Radoald and their younger brother Grimoald were regents. Radoald and Grimoald were brothers as younger sons of Gisulf II of Friuli. They were adopted sons of Arechis I of Benevento, of whom Aiulf was a son. Events End of Yazdegard IIIs attempts to drive out the Saracens. ... This is as list of the Dukes and Princes of Benevento (see Duchy of Benevento), it is one of Wikipedias Lists of Incumbents. ... Look up Lombard in Wiktionary, the free dictionary. ... Events Byzantines reconquer Alexandria from the Muslims. ... Events End of Yazdegard IIIs attempts to drive out the Saracens. ... Aiulf I (also Aione) was the duke of Benevento from 641 to his death in 646 as the son and successor of Arechis I. However, he was mentally unstable and his adoptive brothers Radoald and Grimoald were regents for him. ... Grimoald I (c. ... Regent, from the Latin, a person selected to administer a state because the ruler is a minor or is not present or debilitated. ... Gisulf II was the duke of Friuli from around 591[1] to his death. ... Arechis I (also Arigis, Aretchis, Italian: ) was the second duke of Benevento from 591 to his death in 641, a reign of half a century. ...

In 646, Slavic plunderers landed near Siponto on the Adriatic. Aiulf personally led his forces against the intruders, but his horse fell into a pit dug by the Slavs around their camp and he was surrounded and killed. Radoald succeeded him with the support of King Rothari. Radoald knew the Slavic language and induced them to depart. He was succeeded by Grimoald.
The Slavic peoples are the most numerous ethnic and linguistic body of peoples in Europe. ... Siponto (Latin: Sipontum) was an ancient city and port in Apulia, Italy, located c. ... The Adriatic Sea is an arm of the Mediterranean Sea separating the Apennine peninsula (Italy) from the Balkan peninsula, and the system of the Apennine Mountains from that of the Dinaric Alps and adjacent ranges. ... Rothari of the house of Arodus was king of the Lombards from 636 to 652; previously he had been duke of Brescia. ... The Slavic languages (also called Slavonic languages) comprise the languages of the Slavic peoples. ...