YourRoots by Genomelink
banner

Sign up to explore more

Create a free account to navigate family trees, view ancestors, and discover connections.

Isabella de Avis 1397–1471 – Genealogical Records

Birth Date: 21 Feb 1397

Birth Location: Evora, Portugal

Death Date: 17 Dec 1471

Death Location: Bourgogne, France

Father: John Avis

Mother: Philippa Plantagenet

Spouse(s):

Children(s):

In 1397, Isabella de Avis entered the world in Evora, Portugal, born to John De Avis And Philippa Of Lancaster Plantagenet. Isabella de Avis passed away in 1471 in Bourgogne, France.

Find more search results for Isabella Avis
IA

Reliability Score

This score reflects the reliability of the source family tree. A high rating indicates a trustworthy source with strong data consistency.

Reliability Score:
C
Criteria:
  • A 3 criteria (Strong)
  • B 2 criteria (Medium)
  • C 1 criteria (Basic)
  • N/A 0 criteria (Insufficient)

This tree's reliability score:

  • Record available
  • Descendant's record available
  • Star tree owner

Biography

  • In 1397, Isabella de Avis entered the world in Evora, Portugal, born to John De Avis And Philippa Of Lancaster Plantagenet.
  • Isabella de Avis passed away in 1471 in Bourgogne, France.

Immediate Family

Parents

Spouses(s)

Children(s)

Isabella Avis's Ancestors

Self
Isabella Avis
1397–1471
Birth Place: Evora, Portugal
Parents
John de Avis
1357–1433
Lisboa, Lisbon, Portugal
Philippa (of Lancaster) Plantagenet
1360–1415
Leicester, Leicestershire, England
Grandparents
Pedro (I King of) Portugal
1320–1367
Coimbra, Portugal
John (of Gaunt) Plantagenet
1340–1399
Ghent, Oost-Vlaanderen, Belgium
Blanche (of) Lancaster
1345–1369
Bolingbroke Castle, Lincolnshire, England
Great-Grandparents
Edward III
1312–1377
Philippa Avesnes
1311–1369
Henry Lancaster
1310–1361
Isabel Lancaster
1320–1361
2nd-Great-Grandparents
Edward Plantagenet
1264–1327
Isabella Capet
1292–1358
Henry Plantagenet
1281–1345
Maud Chaworth
1282–1322

Isabella Avis's Timeline

2 Records

1397
21 Feb 1397
Birth of Isabella de Avis in Evora, Portugal
Evora, Portugal
1471
17 Dec 1471
Age 74
Death of Isabella de Avis in Bourgogne, France
Bourgogne, France

Sources

    Genealogy Event 1
    Event Type: Birth
    Event Date: 21 Feb 1397
    Event Place: Evora, Portugal

    Genealogy Event 2
    Event Type: Death
    Event Date: 17 Dec 1471
    Event Place: Bourgogne, France

About YourRoots

Family Tree Map

Explore your family tree geographically

Import your GEDCOM file to transform your family tree into an interactive global map. See your roots laid out visually and understand your true geographic heritage.

Powerful tools like "Trace Back To Me" instantly map your family's migration paths from a chosen ancestor all the way back to you.

LEARN MORE
AI Genealogy Research

Discover ancestors beyond "end-of-line" automatically

Import your family tree and let AI expand it for you. AI Ancestor Finder scans "end-of-line" ancestors to uncover their parents across hundreds of family lines at once. AI Deep Research analyzes selected ancestors and family clusters, suggesting relevant records and next steps.

Turn on Auto Research Mode to get new discoveries daily or weekly, so your tree keeps growing even while you're away.

LEARN MORE
DNA Match

Find more DNA matches across all DNA tests

Combine your DNA data with your family tree to unlock the full power of YourRoots DNA Match. Connect with relatives across major testing services — Ancestry, 23andMe, MyHeritage, and more.

View your matches' maps and trees to identify shared ancestors, and soon you'll be able to add them directly to your own tree and map.

LEARN MORE
Ancestry Reports

Ancestry DNA analysis that goes deeper than others

Unlock exclusive reports that reveal your deeper origins.

  • Deep Ancestry Report — Analyze 130+ ethnicities, sub-regions, and 1,800+ communities in one detailed view.
  • Global & Native American Reports — Developed with Stanford researchers to uncover hidden ancestries across all 22 chromosomes.
  • Ancient DNA Series — Compare your DNA with 1,000+ ancient genomes from Viking, Celtic, and early American civilizations.
LEARN MORE