Overview
All data
10 statements · 10% with external sources · numbers in brackets are citations
On other databases
2 identifiers linking John across the web's reference databases
10 statements · 10% with external sources · numbers in brackets are citations
2 identifiers linking John across the web's reference databases
From Wikipedia, the free encyclopedia · Read full article · Text CC BY-SA 4.0
John was the Frankish Duke of Istria in the early years of the 9th century, soon after its conquest by Charlemagne.