Lothair I Holy Roman Emperor was born in 795. Died in 855. Lothair I (795?-855), Holy Roman emperor (840-55), and eldest son of Holy Roman Emperor Louis I, the Pious, and grandson of Charlemagne. Lothair became coruler with his father in
817 and was crowned by the pope six years later.
He twice conspired with his brothers in revolts against their father. In 839 Lothair received the eastern part of the empire in addition to Italy, which he had received in 822. After the death of Louis I, Lothair attempted to assert his pow
er over his brothers, but he was defeated by them at Fontenoy, France, on June 25, 841.
By the Treaty of Verdun (843), the title of Holy Roman emperor was guaranteed to Lothair, together with sovereignty over Italy, Burgundy, Alsace, Lorraine, and the Low Countries. After having divided his kingdom among his three sons, Lothai
r retired to a monastery. His second son, sometimes called Lothair II (circa 835-69), reigned from 855 to 869 over the kingdom of Lotharingia.
He married Ermengarde de Tours. Ermengarde de Tours was born before 810 in France. Died on 20 Mar 851.
They had the following children:
+41 i. Louis II Holy Roman Emporer, King of Italy
+42 ii. Lothair II King de Lorraine
