Dafydd ap Llywelyn

13th-century Welsh monarch

Person human Q1157156

Dafydd ap Llywelyn — User:Lampman · Public Domain · Wikimedia

Facts

21 properties

Instance of: human
Sex or gender: male^[20]
Date of birth: 1215, March 1208^[2]^[7]
Date of death: February 25, 1246
Place of birth: Wales
Place of death: Abergwyngregyn
Country of citizenship: Wales^[18]
Occupation: monarch, aristocrat
Position held: King of Gwynedd^[19]
Father: Llywelyn ab Iorwerth^[9]
Mother: Joan, Lady of Wales^[10]
Spouse: Isabella de Braose^[11]
Child: Dafydd ap Dafydd ap Llywelyn, Tangwystl ferch Dafydd, Helen ferch Daffyd, Annes ferch Dafydd ap Llywelyn ap Iorwerth, Llywelyn ap Dafydd, Constable of Rhuddlau, Llywarch ap Dafydd ap Llywelyn^[12]^[13]^[14]^[15]^[16]^[17]
Sibling: Elen ferch Llywelyn, Angharad ferch Llywelyn, Gwladus Ddu, Gruffudd ap Llywelyn ab Iorwerth
Languages spoken, written or signed: English
Described by source: Dictionary of National Biography, 1885–1900, Encyclopædia Britannica 11th edition
Family: House of Aberffraw^[21]
Given name: Dafydd
Military, police or special rank: knight^[23]
Noble title: Prince of Wales^[22]
Place of burial: Aberconwy Abbey^[8]

🏷️ Also known as

en Daffyd ap Llywelyn, Prince of North Wales en Dafydd ap Llywelyn el Ντάφιντ απ Λιουέλιν fr Dafydd ap llywelyn fr Dafydd Ap Llywelyn he דוויד' אפ ל'ואלין ja ダフィズ・アプ・ルウェリン ja ダヴィズ・アプ・サウェリン ja ダヴィッズ・アプ・サウェリン ru Давид II ап Лливелин zh 大衛茲·阿普·魯維林 zh 戴维兹·阿普·卢埃林 zh 达菲德·阿颇·卢埃林 zh-hans 戴维兹·阿普·卢埃林 zh-hant 戴維茲·阿普·盧埃林 zh-hant 達菲德·阿頗·盧埃林

🔖 Identifiers · 16

VIAF cluster ID: 173793065
Library of Congress Authorities ID: no2011105280
Dictionary of Welsh Biography ID: s-DAFY-APL-1246
Encyclopædia Britannica Online ID: biography/David-ap-Llywelyn
Freebase ID: /m/01_hkb
Genealogics.org person ID: I00139669
Oxford Dictionary of National Biography ID: 7323
Oxford Reference overview ID: 20110803095657622
Rodovid ID: 918800
Roglo person ID: p=dafydd;n=of gwynedd;oc=1
SNARC ID: Paraliparis costatus
The Peerage person ID: p4179.htm#i41782

Show all 16 identifiers +4

WeRelate person ID: Dafydd_ap_Llywelyn_(1)
WikiTree person ID: Ap_Llywelyn-18
WorldCat Entities ID: E39PBJqVVRv4rpMJjhvbTwXTpP
Yale LUX ID: person/374ab861-0378-418b-a4d0-eef039db7b3d

Report an error or request removal Lineage (PROV-JSON)

🔗 Connections

Occupation 2

monarch, aristocrat

Parent of 2

Llywelyn ab Iorwerth, Joan, Lady of Wales

Sibling 2

Gruffudd ap Llywelyn ab Iorwerth, Gwladus Ddu

Siblings 2

Gruffudd ap Llywelyn ab Iorwerth, Gwladus Ddu

Country of citizenship 1

Wales

Described by source 1

Encyclopædia Britannica 11th edition

Family 1

House of Aberffraw

Father 1

Llywelyn ab Iorwerth

Given name 1

Dafydd

Instance of 1

human

Languages spoken, written or signed 1

English

Military, police or special rank 1

knight

Mother 1

Joan, Lady of Wales

Noble title 1

Prince of Wales

Place of birth 1

Wales

Place of burial 1

Aberconwy Abbey

Place of death 1

Abergwyngregyn

Position held 1

Kingdom of Gwynedd

SNARC ID 1

Paraliparis costatus

Sex or gender 1

male

Press Enter · cited answer in seconds

Dafydd ap Llywelyn was born on January 1, 1215, in Wales ^[1]. He was the son of Llywelyn ab Iorwerth and Joan, Lady of Wales ^[2]^[2]. He died on February 25, 1246, in Abergwyngregyn and was buried at Aberconwy Abbey .

He married Isabella de Braose in 1230, and their marriage lasted at least until the time of his death . Dafydd ap Llywelyn had several children, including Dafydd ap Dafydd ap Llywelyn, Tangwystl ferch Dafydd, Helen ferch Daffyd, Annes ferch Dafydd ap Llywelyn ap Iorwerth, Llywelyn ap Dafydd, Constable of Rhuddlau, and Llywarch ap Dafydd ap Llywelyn ^[2]^[3].

FAQs

Where was Dafydd ap Llywelyn born?

Born in Wales^[1].

Where did Dafydd ap Llywelyn die?

Dafydd ap Llywelyn died in Abergwyngregyn^[3].

Who were Dafydd ap Llywelyn's parents?

Dafydd ap Llywelyn's father was Llywelyn ab Iorwerth^[9]. Dafydd ap Llywelyn's mother was Joan, Lady of Wales^[10].

Who was Dafydd ap Llywelyn married to?

Dafydd ap Llywelyn's spouses include Isabella de Braose^[11].

What did Dafydd ap Llywelyn do for work?

Dafydd ap Llywelyn worked as monarch^[5] and aristocrat^[6].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

[1] ↑ Dafydd ap Llywelyn — place of birth (P19): Wales. histfam.familysearch.org. histfam.familysearch.org. Provenance: wikidata.org.
[3] ↑ Dafydd ap Llywelyn — place of death (P20): Abergwyngregyn. wikidata.org.
[20] ↑ Dafydd ap Llywelyn — sex or gender (P21): male. The Peerage. wikidata.org.
[9] ↑ Dafydd ap Llywelyn — father (P22): Llywelyn ab Iorwerth. The Peerage. wikidata.org.
[10] ↑ Dafydd ap Llywelyn — mother (P25): Joan, Lady of Wales. The Peerage. wikidata.org.
[11] ↑ Dafydd ap Llywelyn — spouse (P26): Isabella de Braose. Retrieved 2020-08-07. wikidata.org.
[18] ↑ Dafydd ap Llywelyn — country of citizenship (P27): Wales. wikidata.org.
[19] ↑ Dafydd ap Llywelyn — position held (P39): King of Gwynedd. wikidata.org.
[12] ↑ Dafydd ap Llywelyn — child (P40): Dafydd ap Dafydd ap Llywelyn. wikidata.org.
[13] ↑ Dafydd ap Llywelyn — child (P40): Tangwystl ferch Dafydd. The Peerage. wikidata.org.
[14] ↑ Dafydd ap Llywelyn — child (P40): Helen ferch Daffyd. The Peerage. wikidata.org.
[15] ↑ Dafydd ap Llywelyn — child (P40): Annes ferch Dafydd ap Llywelyn ap Iorwerth. Genealogics. wikidata.org.
[16] ↑ Dafydd ap Llywelyn — child (P40): Llywelyn ap Dafydd, Constable of Rhuddlau. Genealogics. wikidata.org.
[17] ↑ Dafydd ap Llywelyn — child (P40): Llywarch ap Dafydd ap Llywelyn. Genealogics. wikidata.org.
[21] ↑ Dafydd ap Llywelyn — family (P53): House of Aberffraw. wikidata.org.
[22] ↑ Dafydd ap Llywelyn — noble title (P97): Prince of Wales. wikidata.org.
[5] ↑ Dafydd ap Llywelyn — occupation (P106): monarch. wikidata.org.
[6] ↑ Dafydd ap Llywelyn — occupation (P106): aristocrat. wikidata.org.
[8] ↑ Dafydd ap Llywelyn — place of burial (P119): Aberconwy Abbey. wikidata.org.
[23] ↑ Dafydd ap Llywelyn — military, police or special rank (P410): knight. wikidata.org.
[2] ↑ Dafydd ap Llywelyn — date of birth (P569): January 1, 1215. wikidata.org.
[7] ↑ Dafydd ap Llywelyn — date of birth (P569): March 1208. wikidata.org.
[4] ↑ Dafydd ap Llywelyn — date of death (P570): February 25, 1246. wikidata.org.

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Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA

4ort.xyz Knowledge Graph. (2026). Dafydd ap Llywelyn. Retrieved November 8, 2026, from https://4ort.xyz/entity/dafydd-ap-llywelyn

MLA “Dafydd ap Llywelyn.” 4ort.xyz Knowledge Graph, 4ort.xyz, 8 Nov. 2026, https://4ort.xyz/entity/dafydd-ap-llywelyn.

BibTeX

@misc{4ortxyz_dafydd-ap-llywelyn_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Dafydd ap Llywelyn}}, year = {2026}, url = {https://4ort.xyz/entity/dafydd-ap-llywelyn}, note = {Accessed: 2026-11-08}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Dafydd ap Llywelyn — https://4ort.xyz/entity/dafydd-ap-llywelyn (retrieved 2026-11-08)

Canonical URL: https://4ort.xyz/entity/dafydd-ap-llywelyn · Last refreshed: November 8, 2026

Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

4w ago · Printstream · 2026-10-06 view diff on Wikidata ↗

Noble title → Prince of Wales

Place of birth → Wales

Father → Llywelyn ab Iorwerth

Sibling → Elen ferch Llywelyn, Angharad ferch Llywelyn, Gwladus Ddu +1

+ 15 other properties edited (see Wikidata diff for full list)

"Changed [de] labels, descriptions or aliases: QuickStatements 3.0 batch #57984: Import missing aliases from dewiki 1/3"

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