• Born: Abt 835, Alsace, Lorraine, France
• Married (1): Abt 855
• Died: 8 Aug 869, Piacenza, Italy

  Research Notes:

Lothaire II was the King of Lorraine from 855 to 869. He married Teutberge de Valois whom he repudiated in favor of his concubine Walrade. From 858 until 869 he battled to get rid of his wife. This cost him the court of Rome, and an excommunication by the Church, for which he had to beg the pardon of the Pope. Upon the death of his brother, Charles de Provence in 863, Lothar II would get the center of Charles' Kingdom (since Charles had no son). Divorced Teutberge de Valois): in 862. Married on 25 Dec 862: Waldrade d'Alsace; Waldrade was Lothaire's concubine long before he married her after his first wife died. Died: on 8 Aug 869 in Piacenza, Italy, Having no sons upon his death, Lothar II's lands reverted to his sole surviving brother Louis II. ^{1 2}

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Regino names "Hludowicum, Hlotharium et Carolum" as the three sons of Emperor Lothaire & his wife. "Lothario rege" is named "filio imperatoris Lotharii" by Folcuin. The Annales Bertiniani record that Emperor Lothaire gave Frisia to his son Lothaire in 855.

He succeeded his father in 855 as LOTHAIRE II King of Lotharingia, with Aachen as his capital. He attempted to annul his marriage to marry his mistress of many years, but was opposed by Hincmar Archbishop of Reims, and later Pope Nicholas I who ordered him to return to his wife 15 Aug 865. He was negotiating with Pope Hadrian II for a new decision when he died of malaria.

On his death, his lands were divided between Ludwig II "der Deutsche" King of the East Franks and Charles II "le Chauve" King of the West Franks, instead of passing to his brother Emperor Louis despite the latter's objections. The necrology of Prüm records the death "869 Kal Iul" of "Lotharius rex filius eius [=Lotharius imperator]". ³