THE DATE BEHIND THE NAME
John I, Duke of Brittany
French duke
John I, Duke of Brittany was born in 1217 in Dreux and died on October 15, 1286.
Born
in 1217
Died: October 15, 1286
Source:
No external source identified
Synchronized from Wikidata on October 5, 2026.
Original calendar: Julian. This broad date cannot be represented as a single Gregorian date; the original value is shown.
- Birthplace
- Dreux
- Citizenship
- France
More about John I, Duke of Brittany
Family
- Mother
- Alix, duchess of Brittany
- Child
- Alix of Brittany
- Sibling
- Yolande of Brittany
- Father
- Peter I, Duke of Brittany
- Child
- John II, Duke of Brittany
- Spouse
- Blanche of Navarre
All birth date sources
A source is P248 “stated in” or a non-Wikimedia reference URL. Import-only references do not qualify.
No external source identified
Synchronized from Wikidata on October 5, 2026. View Wikidata record
Questions people ask
Where was John I, Duke of Brittany born?
John I, Duke of Brittany was born in Dreux.
When did John I, Duke of Brittany die?
John I, Duke of Brittany died on October 15, 1286.