YourRoots by Genomelink
Sign up free
banner

Sign up to explore more

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

Sign up free

Cosimo De Medici I, Grand Duke Of Tuscany 1519–1579 – Genealogical Records

Birth Date: 11 July 1519

Birth Location: Florence, Città Metropolitana di Firenze, Toscana, Italy

Death Date: 21 April 1579

Death Location: Florence, Città Metropolitana di Firenze, Toscana, Italy

Father: Lodovico Medici

Mother:

Spouse(s): Eleonore Spain

Children(s): Francesco I, Ferdinand Toscane, Virginia Medicis, Peter Toscane, Isabelle Toscane, Lucretia Toscane, Antonio Medici, Garzia Medici, Anna Italy, Anna Italy, Bianca Italy, Cosimo Italy, Maria Italy, Pietro Italy

In 1519, Cosimo De Medici I, Grand Duke Of Tuscany entered the world in Florence, Città Metropolitana di Firenze, Toscana, Italy, born to Lodovico De Medici And Maria Salviati. Cosimo De Medici I, Grand Duke Of Tuscany married Eleonore Leonor Alvarez Duchess Of Osorio And Toledo Spain, and had children including Anna Medici Twin Of Italy, Anna Medici Of Italy, Antonio De Medici, Bianca Bia Medici Of Italy, Cosimo Giovanni Medici Cardinal Of Basilica Of Santa Maria Italy, Ferdinand I De Medicis Groothertog Van Toscane, Francesco De Medici Grand Duke Of Tuscany Order Of The Golden Fleece I, Garzia De Medici, Isabelle De Medicis Prinses Van Toscane, Lucretia De Medicis Prinses Van Toscane, Maria Medici Of Italy, Peter De Medicis Prins Van Toscane, Pietro Medici Of Italy, Virginia De Medicis. Cosimo De Medici I, Grand Duke Of Tuscany passed away in 1579 in Florence, Città Metropolitana di Firenze, Toscana, Italy.

Find more search results for Cosimo Tuscany
CT

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:
A
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 1519, Cosimo De Medici I, Grand Duke Of Tuscany entered the world in Florence, Città Metropolitana di Firenze, Toscana, Italy, born to Lodovico De Medici And Maria Salviati.
  • Cosimo De Medici I, Grand Duke Of Tuscany married Eleonore Leonor Alvarez Duchess Of Osorio And Toledo Spain, and had children including Anna Medici Twin Of Italy, Anna Medici Of Italy, Antonio De Medici, Bianca Bia Medici Of Italy, Cosimo Giovanni Medici Cardinal Of Basilica Of Santa Maria Italy, Ferdinand I De Medicis Groothertog Van Toscane, Francesco De Medici Grand Duke Of Tuscany Order Of The Golden Fleece I, Garzia De Medici, Isabelle De Medicis Prinses Van Toscane, Lucretia De Medicis Prinses Van Toscane, Maria Medici Of Italy, Peter De Medicis Prins Van Toscane, Pietro Medici Of Italy, Virginia De Medicis.
  • Cosimo De Medici I, Grand Duke Of Tuscany passed away in 1579 in Florence, Città Metropolitana di Firenze, Toscana, Italy.

Immediate Family

Parents

Spouses(s)

Children(s)

Cosimo Tuscany's Ancestors

Self
Cosimo Tuscany
1519–1579
Birth Place: Florence, Città Metropolitana di Firenze, Toscana, Italy
Parents
Lodovico De Medici
1498–1526
Grandparents
Giovanni (De) Medici
1467–1498
Florence, Republic Of Florence
Great-Grandparents
Piafrancesco Medici
1430–1476
2nd-Great-Grandparents
Lorenzo Medici
1395–1440

Cosimo Tuscany's Descendants

1.
CT
Cosimo (De Medici I, Grand Duke Of) Tuscany (11 July 1519–21 April 1579) m. Eleonore (Leonor Alvarez Duchess of Osorio and Toledo,) Spain (Apr 1522–18 December 1562)
  1. 1. Francesco (De Medici, Grand Duke of Tuscany, Order of the Golden Fleece) I 1541–1587 m. Johanna (Giovanna Habsburg, Archduchess of Austria, Grand Duchess Consort of) Tuscany 1547–1578
    1. 1. Marie (De) Medici 1575–1642 m. Henry (King Of France) IV 1553–1610
      1. 1. Henrietta (Maria Of) France 1609–1669 m. Charles (Stuart I, King Of Eng, Ireland, &) Sco. 1600–1649
        1. 1. Charles (Stuart II, King Of Eng, Ireland, &) Scot. 1630–1685
        2. 2. James (Stuart II (Eng\Ire) VII) (Scot). 1633–1701
        3. 3. Mary (Of) France 1631–1660 m. William (Of Orange) II 1626–1650
        4. 4. Henry Stuart 1640–1660
        5. 5. Henrietta Stuart 1644–1670 m. Philip (Of Orléans) I 1640–1701
      2. 2. Louis (King Of France) XIII 1601–1643 m. Anne (Of) Austria 1601–1666
        1. 1. Philip (Of Orléans) I 1640–1701 m. Henrietta Stuart 1644–1670
        2. 2. Louis (King Of France) XIV 1638–1715 m. Maria (Theresa of) Spain 1638–1683
  2. 2. Ferdinand (I de Medicis Groothertog van) Toscane 1549–1609
  3. 3. Virginia (de) Medicis 1568–1615
  4. 4. Peter (de Medicis Prins van) Toscane 1554–1604
  5. 5. Isabelle (de Medicis Prinses van) Toscane 1542–1576
  6. 6. Lucretia (de Medicis Prinses van) Toscane 1545–1562
  7. 7. Antonio (De') Medici 1548–1548
  8. 8. Garzia (DE) Medici 1547–1562
  9. 9. Anna (Medici of) Italy 1553–1553
  10. 10. Anna (Medici (Twin) of) Italy 1554–1604
  11. 11. Bianca (Bia Medici of) Italy 1537–1542
  12. 12. Cosimo (Giovanni Medici Cardinal of Basilica of Santa Maria) Italy 1544–1562
  13. 13. Maria (Medici of) Italy 1540–1557
  14. 14. Pietro (Medici of) Italy 1546–1547

Cosimo Tuscany's Timeline

2 Records

1519
11 July 1519
Birth of Cosimo De Medici I, Grand Duke Of Tuscany in Florence, Città Metropolitana di Firenze, Toscana, Italy
Florence, Città Metropolitana di Firenze, Toscana, Italy
1579
21 April 1579
Age 60
Death of Cosimo De Medici I, Grand Duke Of Tuscany in Florence, Città Metropolitana di Firenze, Toscana, Italy
Florence, Città Metropolitana di Firenze, Toscana, Italy

Sources

    Genealogy Event 1
    Event Type: Birth
    Event Date: 11 July 1519
    Event Place: Florence, Città Metropolitana di Firenze, Toscana, Italy
    Record Source:
    [1] Netherlands, GenealogieOnline Trees Index
    [2] Italy, Find a Grave™ Index, 1800s-Current
    [3] Geneanet Community Trees Index

    Genealogy Event 2
    Event Type: Death
    Event Date: 21 April 1579
    Event Place: Florence, Città Metropolitana di Firenze, Toscana, Italy
    Record Source:
    [1] Netherlands, GenealogieOnline Trees Index
    [2] Italy, Find a Grave™ Index, 1800s-Current
    [3] Geneanet Community Trees Index

    Genealogy Event 3
    Event Type: Burial
    Event Place: Florence, Città Metropolitana di Firenze, Toscana, Italy
    Record Source: Italy, Find a Grave™ Index, 1800s-Current

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