John III, Duke of Brittany
Duke of Brittany
- Fame54.0
- Momentum15.3
- Wikipedia2.2K
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Lived 1286–1341, aged 55
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Summary
Updated 2026-06-12
John III the Good was Duke of Brittany, from 1312 to his death and 5th Earl of Richmond from 1334 to his death. He was the son of Arthur II, Duke of Brittany, and his first wife Marie, Viscountess of Limoges. John was strongly opposed to his father's second marriage to Yolande and attempted to contest its legality.
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Fame
Rising54.0
Composite of search demand, mentions, audience & graph footprint.
Score components
Momentum15.3
Historical20.4
Source confidence60.0
Completeness40.0
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- 约翰三世 (布列塔尼)Low confidencewikipedia · zh.wikipedia.org
- Xuan III de BretañaLow confidencewikipedia · ast.wikipedia.org
- Жан III Добрия (Бретан)Low confidencewikipedia · bg.wikipedia.org