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Adapted prose from Wikipedia under CC BY-SA 4.0.
1911 Encyclopædia Britannica — public domain in the United States.
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Set in EB Garamond and JetBrains Mono. Built on Next.js 16 + Postgres 17 with pgvector + Drizzle ORM, deployed to Vercel atop a Neon Postgres branch.

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Alexandria · MMXXVIExplicit colophon · 2026

Person · 1277 CE – 1305 CE

John I, Marquess of Montferrat

Also known as

Giovanni I
Giovanni I
Giovanni I del Monferrato
Jan I
Jan I van Montferrat
Jan I. z Montferratu

archival plate · John I, Marquess of Montferrat · placeholder

This entry is a stub. The Library is awakening — a longer account is being written.

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John I, Marquess of Montferrat · Alexandria