Around 768 [her future husband] Charles "Charlemagne aka Great" King of the Franks King Lombardy Holy Roman Emperor [aged 25] and Himiltrude Queen of the Franks and Lombardy, Holy Roman Empress [aged 14] were married. She by marriage Queen of the Franks, Queen Lombardy, Holy Roman Empress.
Around 770 [her future husband] Charles "Charlemagne aka Great" King of the Franks King Lombardy Holy Roman Emperor [aged 27] and Desiderata Queen Franks Queen Lombardy Holy Roman Empress were married. She by marriage Queen of the Franks, Queen Lombardy, Holy Roman Empress.
Around 771 [her future husband] Charles "Charlemagne aka Great" King of the Franks King Lombardy Holy Roman Emperor [aged 28] and Hildegard Vinzgouw Queen Franks Queen Lombardy Holy Roman Empress were married. She by marriage Queen of the Franks, Queen Lombardy, Holy Roman Empress.
In 784 [her future husband] Charles "Charlemagne aka Great" King of the Franks King Lombardy Holy Roman Emperor [aged 41] and Fastrada Queen of the Franks and Lombardy, Holy Roman Empress [aged 19] were married. She by marriage Queen of the Franks, Queen Lombardy, Holy Roman Empress. The difference in their ages was 22 years.
Around 794 [her step-son] Louis "Pious" King Aquitaine and the Franks [aged 16] and Ermengarde Hesbaye Queen Consort Aquitaine [aged 16] were married. She by marriage Queen Consort Aquitaine. He the son of [her husband] Charles "Charlemagne aka Great" King of the Franks King Lombardy Holy Roman Emperor [aged 51] and Hildegard Vinzgouw Queen Franks Queen Lombardy Holy Roman Empress.
In 794 Charles "Charlemagne aka Great" King of the Franks King Lombardy Holy Roman Emperor [aged 51] and Luitgarde Alamannian Queen Franks Queen Lombardy Holy Roman Empress were married. She by marriage Queen of the Franks, Queen Lombardy, Holy Roman Empress.
In 800 Luitgarde Alamannian Queen Franks Queen Lombardy Holy Roman Empress died.
On 28th January 814 [her former husband] Charles "Charlemagne aka Great" King of the Franks King Lombardy Holy Roman Emperor [aged 71] died. His son [her former step-son] Louis [aged 36] succeeded King of the Franks.