Lothair I

Lothair I

Infobox Monarch
name =Lothair I
title = Holy Roman Emperor and King of Italy

caption =
reign =As Emperor: 817-855;
As King of Italy: 818-855
As King of Middle Francia: 843-855
coronation =By his father: 817, Aix-la-Chapelle;
By Pope Paschal I: 5 April 823, Rome
othertitles =
full name =
predecessor =Louis the Pious
successor =Louis II
suc-type =
heir =Louis II, Lothair II, Charles of Provence
queen =Ermengarde of Tours
consort =
spouse 1 =
spouse 2 =
spouse 3 =
spouse 4 =
spouse 5 =
spouse 6 =
issue =Louis II, Lothair II, Charles of Provence
royal house =Carolingian Dynasty
dynasty =
royal anthem =
father =Louis the Pious
mother =Ermengarde of Hesbaye
date of birth =795
place of birth =
date of death =29 September 855
place of death =Prüm
date of burial =
place of burial =Prüm|

Lothair I (German: "Lothar", French: "Lothaire", Italian: "Lotario") (795 – 29 September 855), king of Italy (818 – 855) and crowned Carolingian King of (Northern) Italy, Emperor of the Romans and (nominally) was Emperor of the Franks (840 – 855).

Lothair was the eldest son of the Carolingian emperor Louis the Pious and his wife Ermengarde of Hesbaye, daughter of Ingerman, duke of Hesbaye. He led his full-brothers Pippin I of Aquitaine and Louis the German in revolt against their father on several occasions, in protest against his attempts to make their half-brother Charles the Bald a co-heir to the Frankish domains. Upon the death of the father, Charles and Louis joined forces against Lothair in a three year civil war (840-843), the struggles between the brothers leading directly to the break up of the great Frankish Empire assembled by their grandfather Charlemagne, and would lay the foundation for the development of modern France and Germany.

Little is known of his early life, which was probably passed at the court of his grandfather Charlemagne. Shortly after the accession of his father, he was sent to govern Bavaria. He first comes to historical attention in 817, when Louis the Pious drew up his "Ordinatio Imperii". In this, Louis designated Lothair as his principal heir, to whom his younger brothers Pippin of Aquitaine and Louis the German, as well as his cousin Bernard of Italy, would be subject after the death of their father; he would also inherit their lands if they were to die childless. Lothair was then crowned joint emperor by his father at Aix-la-Chapelle. At the same time, Aquitaine and Bavaria were granted to his brothers Pippin and Louis respectively as subsidiary kingdoms. Following the murder of Bernard, King of Italy, by Louis the Pious, Lothair also received the Kingdom of Italy. In 821, he married Ermengarde (d. 851), daughter of Hugh, count of Tours. In 822, he assumed the government of Italy, and at Easter, 5 April 823, he was crowned emperor again by Pope Paschal I, this time at Rome.

In November 824, he promulgated a statute concerning the relations of pope and emperor which reserved the supreme power to the secular potentate, and he afterwards issued various ordinances for the good government of Italy.

On his return to his father's court his stepmother Judith won his consent to her plan for securing a kingdom for her son Charles, a scheme which was carried out in 829, when the young prince was given Alemannia as king. Lothair, however, soon changed his attitude and spent the succeeding decade in constant strife over the division of the Empire with his father. He was alternately master of the Empire, and banished and confined to Italy, at one time taking up arms in alliance with his brothers and at another fighting against them, whilst the bounds of his appointed kingdom were in turn extended and reduced.

The first rebellion began in 830. All three brothers fought their father, whom they deposed. In 831, he was reinstated and he deprived Lothair of his imperial title and gave Italy to the young Charles. The second rebellion was instigated by Angilbert II, Archbishop of Milan, in 833, and again Louis was deposed and reinstated the next year (834). Lothair, through the loyalty of the Lombards and later reconciliations, retained Italy and the imperial position through all remaining divisions of the Empire by his father.

When Louis the Pious was dying in 840, he sent the imperial insignia to Lothair, who, disregarding the various partitions, claimed the whole of the Empire. Negotiations with his brother Louis the German and his half-brother Charles, both of whom armed to resist this claim, were followed by an alliance of the younger brothers against Lothair. A decisive battle was fought at Fontenay-en-Puisaye on 25 June 841, when, in spite of his and his allied nephew Pepin II of Aquitaine's personal gallantry, Lothair was defeated and fled to Aachen. With fresh troops he began a war of plunder, but the forces of his brothers were too strong for him, and taking with him such treasure as he could collect, he abandoned to them his capital. He met with the leaders of the "Stellinga" in Speyer and promised them his support in return for theirs, but Louis and then the native Saxon nobility put down the "Stellinga" in the next years.

Peace negotiations began, and in June 842 the brothers met on an island in the Saône, and agreed to an arrangement which developed, after much difficulty and delay, into the Treaty of Verdun signed in August 843. By this, Lothair received the imperial title as well as northern Italy and a long stretch of territory from the North Sea to the Mediterranean, essentially along the valleys of the Rhine and the Rhone. He soon left Italy to his eldest son, Louis, and remained in his new kingdom, engaging in alternate quarrels and reconciliations with his brothers and in futile efforts to defend his lands from the attacks of the Northmen (as Vikings were known in Frankish writings) and the Saracens.

In 855, he became seriously ill and, despairing of recovery, renounced the throne, divided his lands between his three sons, and on September 23, entered the monastery of Prüm, where he died six days later. He was buried at Prüm, where his remains were found in 1860.

His kingdom was divided among his three sons — the eldest, Louis II, received Italy and the title of Emperor; the second, Lothair II, received Lotharingia; while the youngest, Charles, received Provence.


He married Ermengarde of Tours, who died in 851. The last of his nine children are illegitimate.
*Louis II (825-875)
*Hiltrude (826-865)
*Bertha (c.830-852)
*Irmgard (c.830-849)
*Gisela (c.830-856)
*Lothair II (835-869)
*Rotrude (c.840)
*Charles (845-863)
*Carloman (853)


* "Annales Fuldenses"
* Nithard, "Historiarum Libri", both in the "Monumenta Germaniae Historica Scriptores", Bände i. and ii. (Hanover and Berlin, 1826 fol.)
* E. Mühlbacher, "Die Regesten des Kaiserreichs unter den Karolingern" (Innsbruck, 1881)
* E. Dümmler, "Geschichte des ostfränkischen Reichs" (Leipzig, 1887-1888)
* B. Simson, "Jahrbücher des deutschen Reiches unter Ludwig dem Frommen" (Leipzig, 1874-1876)

ee also



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  • Lothair — (Latin Lotharius ; German Lothar ; French Lothaire ) is a Germanic given name, derived from the older form Clotaire ( Chlotharius ). It can refer to the following people:* Lothair I (795–855), a King of Italy and Holy Roman Emperor * Lothair II… …   Wikipedia

  • Lothair — Lo•thair [[t]loʊˈθɛər, ˈtɛər[/t]] n. 1) anh big Lothair I, a.d. 795?–855, emperor of the Holy Roman Empire 840–855 (son of Louis I) 2) big Lothair II(“the Saxon”), c1070–1137, emperor of the Holy Roman Empire and king of the Germans 1125–37 …   From formal English to slang

  • Lothair II — /loʊˈθɛə/ (say loh thair) noun ( Lothair the Saxon ), c. 1070–1137, Holy Roman Emperor 1125–37 …   Australian English dictionary

  • Lothair I — biographical name 795 855 Holy Roman emperor (840 855) …   New Collegiate Dictionary

  • Lothair II — biographical name (or III) 1075 1137 king of Germany & Holy Roman emperor (1125 37) …   New Collegiate Dictionary

  • Lothair I — /loh thair , tair / A.D. 795? 855, king of Germany 840 843; emperor of the Holy Roman Empire 840 855 (son of Louis I). * * * …   Universalium

  • Lothair II — ( the Saxon ), c1070 1137, emperor of the Holy Roman Empire and king of the Germans 1125 37. * * * …   Universalium

  • Lothair I — /loʊˈθɛə/ (say loh thair) noun c. 795–855, Holy Roman Emperor 840–855 …   Australian English dictionary

  • Lothair I — /loh thair , tair / A.D. 795? 855, king of Germany 840 843; emperor of the Holy Roman Empire 840 855 (son of Louis I) …   Useful english dictionary

  • Lothair II — ( the Saxon ), c1070 1137, emperor of the Holy Roman Empire and king of the Germans 1125 37 …   Useful english dictionary

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