She was the mother of Frederick I, Holy Roman Emperor, known to history as Barbarossa. The Historia Welforum names in order Iuditham, Mahtildem, Sophium, and Wulfildem as the four daughters of Henricus dux ex Wulfilde. This is evidence that Judith was the eldest daughter.
She had in addition to her seven legitimate siblings, one half-brother, Adalbert, born of her father"s relationship with an unnamed mistress.
She died on 27 August 1130 and was buried at Waldburg in Heiligen Forst, Alsace.