YourRoots Logo
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

Llywellyn ap Ieuan 1351 – 1386 – Genealogical Records

Birth Date: 1351

Birth Location: Radyr, Meisgyn, Glamorganshire, Wales

Death Date: 1386

Death Location: Radyr, Glamorgan, Wales

Father: Ieuan Llywelyn

Mother: Tegas Cartismandua

Spouse(s): Gwenllian Ieuan, Elizabeth Mere, Dyddgu Ievan

Children(s): Margred Llywellyn, Cecily Llywellyn, Jonet Llywellyn, Margred Llywellyn, Ieuan Llywellyn, wife Llywellyn, Catrin Llywellyn, daughter Llywellyn, Gwenllian Llywelyn, Verch Llywellyn

In 1351, Llywellyn ap Ieuan entered the world in Radyr, Meisgyn, Glamorganshire, Wales, born to Ieuan " Ddu" ap Llywelyn and Tegas Eurgain ap Meric Coel Cartismandua. Llywellyn ap Ieuan married Gwenllian verch Ieuan, Elizabeth De La Mere, Dyddgu Verch Ievan, and had children including Margred verch Llywellyn, Cecily verch Llywellyn, Jonet verch Llywellyn, Margred verch Llywellyn, Ieuan ap Llywellyn, wife of Owen ap Dafydd verch Llywellyn, Catrin verch Llywellyn, daughter verch Llywellyn, Gwenllian Verch Llywelyn, Verch Llywellyn. Llywellyn ap Ieuan passed away in 1386 in Radyr, Glamorgan, Wales.

Find more search results for Llywellyn Ieuan
LI

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 1351, Llywellyn ap Ieuan entered the world in Radyr, Meisgyn, Glamorganshire, Wales, born to Ieuan " Ddu" ap Llywelyn and Tegas Eurgain ap Meric Coel Cartismandua.
  • Llywellyn ap Ieuan married Gwenllian verch Ieuan, Elizabeth De La Mere, Dyddgu Verch Ievan, and had children including Margred verch Llywellyn, Cecily verch Llywellyn, Jonet verch Llywellyn, Margred verch Llywellyn, Ieuan ap Llywellyn, wife of Owen ap Dafydd verch Llywellyn, Catrin verch Llywellyn, daughter verch Llywellyn, Gwenllian Verch Llywelyn, Verch Llywellyn.
  • Llywellyn ap Ieuan passed away in 1386 in Radyr, Glamorgan, Wales.

Immediate Family

Parents

Spouses(s)

Children(s)

Llywellyn Ieuan's Ancestors

Self
Llywellyn Ieuan
1351 – 1386
Birth Place: Radyr, Meisgyn, Glamorganshire, Wales
Parents
Ieuan " Ddu" ap Llywelyn
of Creuddyn, Rhos, Caernarvonshire, Wales
Tegas (Eurgain ap Meric Coel) Cartismandua
Trevan, Wales
Grandparents
Llywelyn (ap) Ieuan
of, Ystradyfodwg, Glamorganshire, Wales
Gwenllian (ferch) Jenkin
of, Ystradyfodwg, Glamorganshire, Wales
Great-Grandparents
Ieuan Ieuan
Gwenllian Hywel
1290 –
2nd-Great-Grandparents
Ieuan Gruffudd
1361 –
Margred Gruffudd
Hywel Philip
Gwenllian Meurig

Llywellyn Ieuan's Descendants

1.
LI
Llywellyn (ap) Ieuan (1351 – 1386) m. Gwenllian (verch) Ieuan (1366 – ) m. Elizabeth (De La) Mere (1394 – ) m. Dyddgu (Verch) Ievan (1366 – )
  1. 1. Margred (verch) Llywellyn (1379 – )
  2. 2. Cecily (verch) Llywellyn (1380 – )
  3. 3. Jonet (verch) Llywellyn (1381 – )
  4. 4. Margred (verch) Llywellyn (Abt 1382 – ) m. Ieuan (ap) Thomas
  5. 5. Ieuan (ap) Llywellyn (1383 – )
  6. 6. wife (of Owen ap Dafydd verch) Llywellyn (Abt 1384 – ) m. Owain (ap) Dafydd (Abt 1400 – )
  7. 7. Catrin (verch) Llywellyn (1385 – )
  8. 8. daughter (verch) Llywellyn (Abt 1385 – )
  9. 9. Gwenllian (Verch) Llywelyn (1386 – 1463) m. Howell (Ap Madog) Wyllyams (1383 – 1408) m. Hywel Madog (1353 – 1408)
    1. 1. Llewelyn (ap David) Vachan (Abt 1406 – 1460) m. Ellen (Verch) Jenkins (Abt 1408 – Deceased) m. Wenllian Vachan (Abt 1410 – )
    2. 2. Morgan (Ap Howel) Wyllyams (1409 – 1460) m. Joan Button (1409 – 1440) m. Annes (ferch) John m. Lleucu (ferch) Gwallter m. ferch Richard m. Joan Button (1450 – )
      1. 1. Iauan (Ap) Morgan (1423 – 1468) m. Margred Remys
      2. 2. Thomas (Llwyd Ap Morgan) Wyllayams (1435 – 1500) m. Margaret Herbrass (1439 – 1460) m. Danielle (Wyllayams) (Married) (1439 – )
        1. 1. John (Thomas) Williams (1457 – 1502) m. Lady (Margaret) Smyth (1463 – 1501)
        2. 2. Sir (William Thomas) Morgan (1459 – 1538) m. Jane Herbery (1457 – Apr 1495)
      3. 3. Jevan (Ap) Morgan (1437 – 1446)
      4. 4. Leuan (Ap) Morgan (Abt 1437 – Deceased)
      5. 5. Isabel (Ferch) Morgan (1452 – Deceased)
      6. 6. Thomas (Ap) Morgan
    3. 3. Ap (HYWEL) Morgan (Abt 1409 – Deceased)
    4. 4. Richard (ap) Hywell (1411 – 1460) m. Gwerful (Ferch) Madog (Abt 1400 – ) m. Jonet (ferch) Morgan m. Gwenllian (ferch) Gruffudd m. Efa (ferch) Dafydd (Abt 1400 – Deceased) m. Gwenhwyfar (ferch) Ieuan m. Gwen (" Llwyd" ferch) Rhys ( – Deceased) m. Angharad (ferch) Dafydd ( – Deceased) m. Joan (ferch) John ( – Aft 1500) m. ferch Adda m. Mary (ferch) Richard m. Angharad (ferch) Ieuaf (Abt 1363 – Deceased) m. Margred (ferch) Dafydd m. Elsbeth (ferch) John m. ferch Ieuan m. Anne (Wen ferch) James ( – Deceased) m. Gwerful (ferch) Ieuan (Abt 1361 – )
    5. 5. Richard (ap) Hywel (1450 – 7 Feb 1539) m. ferch Jenkin
    6. 6. Morgan (ap Hwyel of) Lanishen ( – 1460) m. Joan Button (Abt 1348 – ) m. Joan Button (1409 – 1440)
  10. 10. Verch Llywellyn m. Lewis Ragland (Abt 1433 – Abt 1526) m. Roger (ap) John m. Roger (ap) Thomas (Abt 1530 – )

Llywellyn Ieuan's Timeline

2 Records

1351
1351
Birth of Llywellyn ap Ieuan in Radyr, Meisgyn, Glamorganshire, Wales
Radyr, Meisgyn, Glamorganshire, Wales
1386
1386
Age 35
Death of Llywellyn ap Ieuan in Radyr, Glamorgan, Wales
Radyr, Glamorgan, Wales

Sources

    Genealogy Event 1
    Event Type: Birth
    Event Date: 1351
    Event Place: Radyr, Meisgyn, Glamorganshire, Wales

    Genealogy Event 2
    Event Type: Christening
    Event Place: {Iestyn}

    Genealogy Event 3
    Event Type: Death
    Event Date: 1386
    Event Place: Radyr, Glamorgan, Wales

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