Skip to content

Search
Timeline
Map
Graph
Threads
Civilizations
Eras
Random

A living digital encyclopedia of human civilization. Begin anywhere; follow the threads.

¶ Browse

Threads
Civilizations
Eras
Timeline
Map
Graph
Random entry
About

¶ Sources & licensing

Adapted prose from Wikipedia under CC BY-SA 4.0.
1911 Encyclopædia Britannica — public domain in the United States.
Imagery via Wikimedia Commons; per-image attribution on each entry.

¶ Colophon

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.

Source at github.com/chloeilabs/alexandria.

Alexandria · MMXXVIExplicit colophon · 2026

Person · 1501 CE – 1571 CE

John of Lencastre, 1st Duke of Aveiro

Also known as

Jean de Lancastre
Joan de Lencastre
João de Lencastre
João de Lencastre
João de Lencastre, 1.º Duque de Aveiro
João de Lencastre, 1st Duke of Aveiro

archival plate · John of Lencastre, 1st Duke of Aveiro · placeholder

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

Connected to

child · father ofGeorge of Lencastre, 2nd Duke of Aveiro1548 CE
father · child ofJorge de Lencastre, 2nd Duke of Coimbra1481 CE

+ 6 further connections to entries not yet ingested

John of Lencastre, 1st Duke of Aveiro · Alexandria