| Emperor Lothaire I of Roman Empire & Countess Ermengarde of Tours | |
| Husband | Wife |
| Emperor Lothaire I of Roman Empire | Countess Ermengarde of Tours |
|
b: 0795 Of, Altdorf, Bavaria d: 29 Sep 0855 |
b: about 0800 Of, Alsace, France d: 20 Mar 0851 |
| Marriage: on 15 Oct 0821 in Thionville, Moselle, France. | |
| Parents | |
| Emporer Louis I "The Pious" of Roman Empire (0778 - 0840) | Count Hughes II of Upper Alsace (~0765 - 0836) |
| Ermengarde de Hesbaye (~0778 - 0818) | Countess Ava of Upper Alsace (~0769 - ) |
| Grand Parents | |
| Emporer Charles Charlemagne (0747 - 0813/0814) | Count Luitfrid of Upper Alsace (~0740 - ~0740) |
| Empress Hildegard of Savoy (0758 - 0783) | Countess Hiltrude of Upper Alsace (~0744 - ) |
| Duke Ingeramme de Hesbaye (~0753 - ) | |
| Children (Family Detail) | |
| King Louis II "le Jeune" of Italy | - b: 0822 Alsace-Lorraine, France |
| Duchess Ermengarde of the Moselle | - b: about 0832 Alsace-Lorraine |
| King Lothaire II de Lorraine | - b: about 0835 Alsace-Lorraine |
| Helletrude de Lorraine | |