Who was Alfonso Aragon?

Alfonso Aragon (1299–1336) was born in Naples and died in Barcelona, Spain. 7 researchers on YourRoots have this ancestor in their family trees.

How many people are researching Alfonso?

Right now, 7 researchers on YourRoots have Alfonso in their trees. The ancestor migration map traces 7 generations of this lineage.

What records do they have for Alfonso?

Records vary by researcher and can include census, vital, parish, cemetery, and family sources.

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Alfonso IV De Aragon 1299–1336

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 7 independent trees

Birth year and location consistent across 7 trees

Death year and location consistent across 7 trees

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

B Reliability

Reliability Score: B

Medium — 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

7 researchers on YourRoots have Alfonso Aragon in their family trees — each with their own records and documentation. Trace the migration path across 7 generations. If this ancestor is in your tree too, you can compare what you've found and fill in the gaps together.

Last updated: September 17, 2026 · Reliability: B — verified across 7 independent trees, with linked records

Born 2 Nov 1299 · Naples

Died 24 Jan 1336 · Barcelona, Spain

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Records

Global, Find a Grave® Index …

Researchers connected through Alfonso Aragon 1299–1336

and 5 more tree owners connected with Alfonso Aragon 1299–1336

Immediate Family

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Biography

In 1299, Alfonso IV De Aragon entered the world in Naples, born to jaime ii of aragon and blanche d anjou. Alfonso IV De Aragon married leonora de castilla, and had children including pedro iv de aragon. Alfonso IV De Aragon passed away in 1336 in Barcelona, Spain.

Sources

1

Burial Records Global, Find a Grave® Index for Burials at Sea and other Select Burial Locations, 1300s-Current

Life Timeline

1299

Birth of Alfonso IV De Aragon in Naples

Birth

1336

Death of Alfonso IV De Aragon in Barcelona, Spain

Death

Oldest Ancestor Line from Alfonso Aragon

This ancestor line traces from Altdorf bei Nürnberg, Nürnberger Land, Middle Franconia, Bavaria, Germany (1000) to Naples, Naples, Campania, Italy (1299) across 7 generations.

Direct Lineage

generations

Frequently Asked Questions

: Alfonso Aragon (1299–1336) was born in Naples and died in Barcelona, Spain. 7 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 (B) based on cross-tree validation.
: Right now, 7 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 7 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 Aragon's Ancestors

Pedigree chart — 3 generations on record

Self

Alfonso IV De Aragon PTP

1299–1336

Naples