Treaty of Verdun Memorial — Mémorial du Traité de Verdun à Fontenoy-en-Puisaye (Yonne, France)
Photo Credit: By François GOGLINS - Own work, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=50060453

Treaty of Verdun —
Photo Credit: By Szajci - Own work, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=67465415

Treaty of Verdun — The parting of Carolingian Empire by the Treaty of Verdun in 843. Pink area indicates West Francia.Green area indicates Middle Francia.Yellow area indicates East Francia.
Photo Credit: By Scan made by Olahus - Histoire Et Géographie - Atlas Général Vidal-Lablache, Librairie Armand Colin, Paris, 1898., Public Domain, https://commons.wikimedia.org/w/index.php?curid=5247494

Ludwig the german — Statue of Louis the German, City Hall in Hamburg
Photo Credit: By Horstbu - Own work, Public Domain, https://commons.wikimedia.org/w/index.php?curid=3591852

3 sons of Louis the German — From a medieval manuscript
Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=22190800

Ludwig der Deutsche —
Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=905829

Ludwig der Deutsche —
Photo Credit: By Carl Trost - Royal Collection, UK, Public Domain, https://commons.wikimedia.org/w/index.php?curid=59721301

Ermengarde of Hesbaye — First wife of Louis the Pious
Photo Credit: By François Séraphin Delpech - royalcollection.org.uk, Public Domain, https://commons.wikimedia.org/w/index.php?curid=57407823

Cover of the Lothaire Psalter — From 9th century Carolingian Empire. In the center, a silver gilt medallion, probably representing the Emperor Lothaire, in profile, wearing a crown or helmet of primitive pattern. This is enclosed in a framework of silver-gilt with flat conventional leaf pattern, probably added between the 10th and 11th centuries
Photo Credit: British Library [CC0]

Lothair I — This painting belongs to the Portraits of Kings of France, a series of portraits commissioned between 1837 and 1838 by Louis Philippe I and painted by various artists for the Musée historique de Versailles.
Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=57433837

Lothair I — In the Gospels of Lothair, c. 849–851, now located in the Bibliothèque nationale de France
Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=189282