Ljudislav was a South Slavic

South Slavic

South Slavic can refer to:* South Slavic languages* South Slavic peoples...

 ruler of the Narentines in 840. He waged a successful naval battle against the Republic of Venice

Republic of Venice

The Republic of Venice or Venetian Republic was a state originating from the city of Venice in Northeastern Italy. It existed for over a millennium, from the late 7th century until 1797. It was formally known as the Most Serene Republic of Venice and is often referred to as La Serenissima, in...

.

Life

Ljudislav was possibly a co-ruler or successor of Drosaico

Drosaico

Drosaico was a South Slavic župan of the Narentines in ca. 836 to after 839. The Narentines were a fierce tribe living off piracy. The Narentines were at the time subordinate to the Serbian Principality....

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In 840, Doge of Venice

Doge of Venice

The Doge of Venice , often mistranslated Duke was the chief magistrate and leader of the Most Serene Republic of Venice for over a thousand years. Doges of Venice were elected for life by the city-state's aristocracy. Commonly the person selected as Doge was the shrewdest elder in the city...

Pietro Tradonico

Pietro Tradonico

Pietro Tradonico , an Istrian by birth, was the Doge of Venice from 836 to 864. He was, according to tradition, the thirteenth doge, though historically he is only the eleventh. His election broke the power of the Participazio. He was illiterate, and forced to sign all state documents with the...

 attacks the Narentines. Ljudislav successfully waged a naval battle against the Doge, who lost some hundred people. His successors, Uneslaf and Diodur, plundered the Venetian borders.

Sources

• Rastko