The Genealogica Arnulfi Comitis names (in order) "Karlomannum Hludovicum et Karolum" as children of "Hludovicus rex…ex Emma regina". He revolted against his father in 861 and 864. The Annales Bertiniani record that "Carlomannus, Hlodowici regis Germaniæ" joined forces with "Resticio Winidorum regulo", captured a large part of his father's kingdom as far as the River Inn in 861, but was expelled by his father.
On the death of his father in 876, he succeeded as KARLOMAN King of the East Franks, receiving Bavaria, Pannonia, Carinthia, Bohemia and Moravia under the partition of territories agreed with his brothers. On the death of Emperor Louis II King of Italy, he was called to Italy by Queen Engelberga and members of the Italian nobility. He was able to expel his rival King Charles II "le Chauve" from Italy and entered Pavia in Oct 877. However, he was struck by paralysis and had to be returned to Germany, where he was deposed in favour of his brother Louis "le Jeune" in 879. He founded the monastery of Altötting in 877.
The necrology of Prüm records the death "880 XI Kal Apr" of "Karlomannus frater Ludvici et Karoli". The Annales Fuldenses record the death "880 XI Kal Apr" of "Carlmannus frater Hludowici et Karoli". Regino records the death "880 VII Non Apr" of "Carolomannus rex paralysi" and his burial "in Baioaria…Hodingas". 1
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