Hedwig was the daughter of unknown parents. The date and place of her birth have not been found.
Her husband was Eberhard IV von Nellenburg. They were married, but the date and place have not been found. Their four known children were Irmengard (c1000-?), Eberhard V (c1000-1079), Manegold II (0998-?) and Burkhard II (?-c1061).
Note 1