Adalbert III Duke of Upper was born in 1000 in Longwy, France. Adalbert III Duke of Upper's father was Gerhard and his mother was Gisele of Metz. His paternal grandparents were Adelbert II and Judith; his maternal grandparents were Gerhard and Eve of Luxemburg. He was an only child. He died at the age of 48 in 1048 in Thuim.