Grimoald III was the Lombard prince of Benevento from the death of his father, the first independent duke, Arechis II, in 788 to his own death in 806. He was a second son. In 787, he and his elder brother Romoald were sent as hostages to Charlemagne who had descended the Italian boot to conquer the Beneventan principality. In return for peace, Arechis recognised Charlemagne's suzerainty and gave his sons over. However, the Beneventans were independent in practice. The Lombards (Latin Langobardi, from which the alternative name Longobards found in older English texts), were a Germanic people originally from northern Europe that entered the late Roman Empire. ... This is as list of the Dukes and Princes of Benevento (see Duchy of Benevento), it is one of Wikipedias Lists of Incumbents. ... Arechis II (also Aretchis, Arichis, or Aregis) (d. ... Events Charlemagne conquers Bavaria. ... Events April 12 - Nicephorus elected patriarch of Constantinople, succeeding Tarasius. ... This article is about the year 787. ... Charlemagne (742 or 747 – 28 January 814) (also Charles the Great; from Latin, Carolus Magnus or Karolus Magnus), son of King Pippin the Short and Bertrada of Laon, was the king of the Franks from 768 to 814 and king of the Lombards from 774 to 814. ...

Grimoald returned to Italy on his father's death. He originally recognised Frankish overlordship, but was quickly faced with a Byzantine invasion under command of Adelchis, the son of the last Lombard king, Desiderius. Arechis II had tried to claim the kingship in 774, with Desiderius defeat at the hands of Charlemagne, but he abandoned the cause and took the titel of princeps instead. Adelchis felt he had a better claim to rule the Lombard people and consequently garnere Greek allies (Frankish enemies) to try and retake the only independent portion of the peninsula left. A Frankish army under Winigis and Hildebrand, Duke of Spoleto, joined Grimoald and defeated Adelchis on the coast soon after his landing. Byzantine Empire (Greek: ) is the term conventionally used since the 19th century to describe the Greek-speaking Roman Empire during the Middle Ages, centered at its capital in Constantinople. ... Adalgis (d. ... Desiderius, the last king of the Lombards, is chiefly known through his connection with Charlemagne. ... Events Charlemagne conquers the kingdom of the Lombards, and takes title King of the Lombards. ...

Later, Grimoald tried to throw off Frankish suzerainty, but Charlemagne's son, King Pepin of Italy and his elder brother King Charles of Neustria, forced him to submit in 792. Nonetheless, Benevento was well on its way to complete independence and Carolingian authority was always light. Pippin of Italy (April, 773-July 8, 810) was the third son of Charlemagne, and the second with his wife Hildegard of Savoy. ... Charles (d. ... Events Irenes title of empress confirmed. ...