– March 621) was Visigothic King of Hispania, Septimania and Galicia briefly in 621,[1] though the length of the reign exactly is debated to last from several days to just over a year.

[3] He was but a child when placed on the throne and as with most Visigothic attempts to establish a royal dynasty, Sisebut's was opposed by the nobility and ultimately failed.

His death allowed his general, the strongman Suintila, to accede to the throne.

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