Garibald was the young son of Grimoald I of Benevento

Grimoald I of Benevento

Grimoald I was duke of Benevento and king of the Lombards .Born probably before 610 to Duke Gisulf II of Friuli and the Bavarian princess Ramhilde, daughter of Duke Garibald I of Bavaria, he succeeded his brother Radoald as duke of Benevento...

, king of the Lombards

Lombards

The Lombards , also referred to as Longobards, were a Germanic tribe of Scandinavian origin, who from 568 to 774 ruled a Kingdom in Italy...

, and Theodota, daughter of Aripert I

Aripert I

Aripert I was king of the Lombards in Italy. He was the son of Gundoald, duke of Asti, who had crossed the Alps from Bavaria with his sister Theodelinda. As a relative of the Bavarian ducal house, his was called the Bavarian Dynasty.He was the first Roman Catholic king of the Lombards, elected...

. After his father's death in 671, he reigned briefly for three months until the numerous adherents of Perctarit

Perctarit

Perctarit was king of the Lombards from 661 to 662 the first time and later from 671 to 688. He was the son and successor of Aripert I. He shared power with his brother Godepert. He was a Catholic, Godepert an Arian. He ruled from Milan, Godepert from Pavia...

, his uncle, who had been exiled by Grimoald nine years earlier, beseeched their candidate to return and elected him, deposing the young king.