Who was Sancho Alfonsez?

Sancho Alfonsez (1258–1295) was born in Sevilla, Seville, Andalucia, Spain and died in Toledo, Toledo, Castilla-La Mancha, Spain. 4 researchers on YourRoots have this ancestor in their family trees.

How many people are researching Sancho?

Right now, 4 researchers on YourRoots have Sancho in their trees. The ancestor migration map traces 5 generations of this lineage.

What records do they have for Sancho?

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

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Use Compare Tree on an available researcher profile to compare overlapping people and records.

Sancho Alfonsez 1258–1295

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 4 independent trees

Birth year and location consistent across 4 trees

Death year and location consistent across 4 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

4 researchers on YourRoots have Sancho Alfonsez in their family trees — each with their own records and documentation. Trace the migration path across 5 generations. If this ancestor is in your tree too, you can compare what you've found and fill in the gaps together.

Last updated: July 22, 2026 · Reliability: B — verified across 4 independent trees

Born 12 May 1258 · Sevilla, Seville, Andalucia, Spain

Died 25 Apr 1295 · Toledo, Toledo, Castilla-La Mancha, Spain

Father Alfonso X Wise

Mother Maria Guillen Deguzman

Siblings Alfonso Fernandez Decastile, Beatriz Alfonso

Records

Millennium File Netherlands, GenealogieOnline Trees Index Marriage

Compare Tree

Researchers connected through Sancho Alfonsez 1258–1295

and 3 more tree owners connected with Sancho Alfonsez 1258–1295

Immediate Family

Parents

Alfonso X Wise

Maria Guillen Deguzman

Spouse(s)

No spouse recorded

Children

No children recorded

Biography

In 1258, Sancho Alfonsez entered the world in Sevilla, Seville, Andalucia, Spain, born to alfonso x wise and maria guillen deguzman. Sancho Alfonsez passed away in 1295 in Toledo, Toledo, Castilla-La Mancha, Spain.

Sources

1

Record Millennium File
2

Record Netherlands, GenealogieOnline Trees Index
3

Record Marriage

Life Timeline

1258

Birth of Sancho Alfonsez in Sevilla, Seville, Andalucia, Spain

Birth

1295

Death of Sancho Alfonsez in Toledo, Toledo, Castilla-La Mancha, Spain

Death

Oldest Ancestor Line from Sancho Alfonsez

This ancestor line traces from Schwaben, Kelheim, Bayern, Germany (1122) to Sevilla, Seville, Andalucia, Spain (1258) across 5 generations.

Direct Lineage

generations

Frequently Asked Questions

: Sancho Alfonsez (1258–1295) was born in Sevilla, Seville, Andalucia, Spain and died in Toledo, Toledo, Castilla-La Mancha, Spain. 4 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, 4 researchers on YourRoots have Sancho 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 5 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.