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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 · 1354 CE – 1394 CE

Constance of Castile, Duchess of Lancaster

Also known as

Constance af Kastilien, hertuginde af Lancaster
Constance dari Kastilia, Adipati Wanita Lancaster
Constance de Castille
Constance of Castile
Constance van Castilie
Constance van Castilië

Image illustrating Constance of Castile, Duchess of Lancaster — archival plate · Wikimedia Commons · Constance of Castile, Duchess of Lancastersee Wikimedia Commons

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

Connected to

child · mother ofCatherine of Lancaster1373 CE
sibling · sibling ofIsabella of Castile, Duchess of York1355 CE
spouse · spouse ofJohn of Gaunt1340 CE
died inLeicester Castle1060s CE
father · child of

¶ Auctoritates · sources

Adapted from Wikipediaview source ↗
CC BY-SA 4.0

Peter of Castile

1334 CE

+ 12 further connections to entries not yet ingested

Constance of Castile, Duchess of Lancaster · Alexandria