JI
Source-basedStable
John IV, Duke of Saxe-Lauenburg
German duke
- Fame41.0
- Momentum10.0
- Wikipedia109
Lived 1350–1414, aged 64
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Summary
Updated 2026-07-11
John IV of Saxe-Lauenburg (*?–1414*) was a son of Duke Eric IV of Saxe-Lauenburg and Sophia of Brunswick-Lüneburg.
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The six component signals behind the Fame score, and their ranks across the leaderboards.
Fame
Stable41.0
Composite of search demand, mentions, audience & graph footprint.
Score components
Momentum10.0
Historical8.7
Source confidence55.0
Completeness25.0
Global rank
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Receipts
Sources
- 約翰四世 (薩克森-勞恩堡)Low confidencewikipedia · zh.wikipedia.org
- يوحنا الرابع دوق ساكس لوينبورجLow confidencewikipedia · arz.wikipedia.org
- Йохан IV фон Саксония-ЛауенбургLow confidencewikipedia · bg.wikipedia.org