Giselbert of Luxembourg was count of Salm and of Longwy, then count of Luxemburg from 1047 to 1059. He was a son of Frederick of Luxembourg, count of Moselgau, and perhaps of Ermentrude of Gleiberg. Wikipedia
Born: 1007
Died: August 14, 1059 (age 52 years)
Grandparents: Sigfried, Count of the Ardennes, Hedwig of Nordgau, Herbert of Wetterau, and more
Children: Conrad I, Count of Luxembourg and Hermann of Salm
Parents: Frederick of Luxembourg and Irmentrude van de Wetterau
Partner: unknown daughter Gräfin von Salm (1030–)