Gisulf I was probably the first duke of Friuli. He was a nephew of Alboin, first king of the Lombards in Italy, who appointed him duke around 569 after the Lombard conquest of the region,
Before this, Gisulf had been Alboin's marpahis or "master... Wikipedia
Died: 590 AD
Great-grandparents: Menia, Amalaberga, Hermanafrid, and more
Parents: Grasulf I of Friuli and Bruder oder Schwester (?)
Grandchildren: Grimoald, King of the Lombards, Radoald of Benevento, Tasso of Friuli, and more
Children: Gisulf II of Friuli and Grasulf II of Friuli
Great grandchildren: Romuald I of Benevento, Garibald, Gotfrid, and more