THE DATE BEHIND THE NAME
John III, Duke of Brittany
Duke of Brittany
John III, Duke of Brittany was born on March 15, 1286 in Champtoceaux and died on May 8, 1341, aged 55.
Born
March 15, 1286
John III, Duke of Brittany died aged 55.
Died: May 8, 1341
Source:
No external source identified
Synchronized from Wikidata on October 5, 2026.
Original calendar: Julian. Displayed date is Gregorian.
- Birthplace
- Champtoceaux
More about John III, Duke of Brittany
- Zodiac sign
- Pisces
Family
- Father
- Arthur II, Duke of Brittany
- Spouse
- Isabella of Castile, Queen of Aragon
- Spouse
- Joan of Savoy
- Sibling
- Guy of Penthièvre
- Sibling
- John IV, Duke of Brittany
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
How old was John III, Duke of Brittany when they died?
John III, Duke of Brittany died aged 55.
When is John III, Duke of Brittany’s birthday?
John III, Duke of Brittany’s recorded birthday is March 15.
Where was John III, Duke of Brittany born?
John III, Duke of Brittany was born in Champtoceaux.
When did John III, Duke of Brittany die?
John III, Duke of Brittany died on May 8, 1341.