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Alfonso Plantagenet 1273–1284

Public Tree Person

What is a Public Tree Person?

A Public Tree Person is an ancestor documented independently by multiple YourRoots tree owners. When several researchers' family histories converge on the same person, we publish a shared page that combines what they've documented.

Why this is a Public Tree Person

Full name consistent across 2 independent trees
Birth year and location consistent across 2 trees
Death year and location consistent across 2 trees

Compare a Public Tree Person with your own tree using Compare Tree.

C Reliability
C
Reliability Score: C
Basic — based on the source tree
Grade scale
  • A 3 criteria (Strong)
  • B 2 criteria (Medium)
  • C 1 criteria (Basic)
Verification checklist
  • Record available
  • Descendant's record available
  • Star tree owner

2 researchers on YourRoots have Alfonso Plantagenet in their family trees — each with their own records and documentation. Trace the migration path across 6 generations. If this ancestor is in your tree too, you can compare what you've found and fill in the gaps together.

Last updated: August 25, 2026 · Reliability: C — verified across 2 independent trees

Born 24 Nov 1273 · Bayonne, Departement des Pyrénées-Atlantiques, Aquitaine, France
Died 19 Aug 1284 · Windsor, Berkshire, England
Records
UK and Ireland, Find a … Source
Compare Tree

Researchers connected through Alfonso Plantagenet 1273–1284

and 1 more tree owner connected with Alfonso Plantagenet 1273–1284

Immediate Family

Parents
Spouse(s)
No spouse recorded
Children
No children recorded

Biography

In 1273, Alfonso Plantagenet entered the world in Bayonne, Departement des Pyrénées-Atlantiques, Aquitaine, France. Alfonso Plantagenet passed away in 1284 in Windsor, Berkshire, England.

Sources

  1. 1
    Burial Records UK and Ireland, Find a Grave Index

  2. 2
    Record Source

Life Timeline

1273
Birth of Alfonso Plantagenet in Bayonne, Departement des Pyrénées-Atlantiques, Aquitaine, France
Birth
1284
Death of Alfonso Plantagenet in Windsor, Berkshire, England
Death

Oldest Ancestor Line from Alfonso Plantagenet

This ancestor line traces from Falais,Calvados,France (1024) to Bayonne,Basses-Pyrenees,Bordeaux (1273) across 6 generations.

Direct Lineage
generations

Frequently Asked Questions

Alfonso Plantagenet (1273–1284) was born in Bayonne, Departement des Pyrénées-Atlantiques, Aquitaine, France and died in Windsor, Berkshire, England. 2 researchers on YourRoots have this ancestor in their family trees, each with their own records. This page combines what they've independently documented and assigns a Reliability Score (C) based on cross-tree validation.
Right now, 2 researchers on YourRoots have Alfonso in their trees. They're working independently, so connecting with them is a good way to cross-check your records and find things you might have missed. You can also explore the ancestor migration map that traces 6 generations of this lineage geographically.
It varies by researcher — some have census records, others have marriage certificates, parish registers, or family Bible entries. Scroll up to see exactly what each person has cited.
Use the "Compare Tree" button on any researcher's profile above. You can compare your tree side by side with theirs, see where your records overlap or differ, and collaborate to fill gaps.

Related Records

Alfonso Plantagenet's Ancestors

Pedigree chart — 3 generations on record

Self
Alfonso Plantagenet PTP
1273–1284
Bayonne, Departement des Pyrénées-Atlantiques, Aquitaine, France
Parents
Unknown
Unknown
Grandparents
Unknown
Unknown
Unknown
Unknown

Alfonso Plantagenet's Descendants

1.
AP
Alfonso Plantagenet PTP 1273–1284