The Sebastiani Chronicon records that "Veremundus, subrinus Adefonsi majoris, filius…Froilani fratris sui" succeeded as king on the death of "Maurecato". The Chronicle of Alfonso III records that "Vermudo the son of Fruela" was elected king after the death of Mauregato, and ruled for three years when "he voluntarily gave up his rule because he was a deacon" and installed "his nephew Alfonso as his successor and lived with him most lovingly for many years" before dying "a natural death…in the era 829 (791)", although this date appears to refer to Vermudo's abdication not his death.
He was elected in 788 to succeed King Maugerato as VERMUDO I “el Diácono” King of Asturias. With the accession in 788 of Hisham I Emir of Córdoba, who according to Arab sources was "passionate about the holy war", Muslim attacks on the Christians intensified. The Emir sent two armies into battle in 791. King Vermudo was defeated by the Muslims on the banks of the River Burbia and abdicated in 791 in favour of Alfonso II, becoming a deacon. The Sebastiani Chronicon records that "Veremundus" was deposed and became a deacon, and that "filiis parvulis Ranimiro et Garcia" were also expelled. 1
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