Gaidoald was the second Lombard

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...

 Duke of Trent. He was assigned to Trent on the death of Euin

Euin

Euin , also Ewin or Eoin, was the first Lombard Duke of Trent during the Rule of the Dukes, an interregnum during which the Kingdom of Italy was ruled by its regional magnates, the dukes of the thirty or so cities. Euin participated in several significant wars during his long reign...

 in January 595. He was described by Paul the Deacon

Paul the Deacon

Paul the Deacon , also known as Paulus Diaconus, Warnefred, Barnefridus and Cassinensis, , was a Benedictine monk and historian of the Lombards.-Life:...

 as "a good man and a Catholic in religion" in his Historia Langobardorum. In 602 or 603, Gaidoald and fellow duke Gisulf I of Friuli

Gisulf I of Friuli

Gisulf I was probably the first duke of Friuli , a nephew of Alboin, first king of the Lombards in Italy. Alboin appointed him duke around 569 after the Lombard conquest of the region, though some scholars believe he appointed Gisulf's father, his brother, Grasulf, duke.Before this, Gisulf had been...

 made peace with king Agilulf

Agilulf

Agilulf called the Thuringian, was a duke of Turin and king of the Lombards from 591 until his death.-Biography:A relative of his predecessor Authari, he was selected king on the advice of the Christian queen and widow of Authari, Theodelinda, whom he then married...

 in what Paul the Deacon refers to as a "year of peace". No dukes of Trent are known after Gaidoald until Alahis

Alahis

Alahis was the Arian duke of Trent and Brescia before becoming king of the Lombards after his successful rebellion in 688. He did not rule long, however....

from 680 to 690.