[1] Luitgard was the daughter of Luitfrid II of Sundgau, an Alamannian count, and Hiltrude of Wormsgau.
Little is known of her, except that the king found in her a calm and virtuous woman; at court, she was even appreciated by his children.
She is full of complaisance for the king, pious, blameless and worthy of all the love of such a husband."
[4] Luitgard died of an unknown illness[5] on 4 June 800 at the monastery of Saint-Martin de Tours,[6] during a tour with Charlemagne in Neustria, preceding his trip to Rome where, just over six months later, he was crowned Imperator Romanorum ("Emperor of the Romans").
She was buried there,[7] and although the location of her tomb is not precisely known, reportedly it is under the Charlemagne Tower associated with Basilica of Saint Martin, Tours.