Gruffudd ap Llywelyn

Welsh monarch

Person Human Q727897

Gruffudd ap Llywelyn — David Powell and Humphrey Lloyd · Public Domain · Wikimedia

Facts

19 properties

Instance of: human
Sex or gender: male^[16]
Date of birth: 1000
Date of death: August 5, 1063
Place of birth: Wales
Place of death: Snowdonia
Country of citizenship: Wales^[12]
Occupation: monarch
Position held: King of Gwynedd, King of Deheubarth^[14]^[15]
Father: Llywelyn ap Seisyll^[6]
Mother: Angharad ferch Maredudd^[7]
Spouse: Ealdgyth^[8]
Child: Maredudd ap Gruffudd, Ithel ap Gruffudd, Nest ferch Gruffudd, Nest ferch Gruffudd^[9]^[10]^[11]
Sibling: Bleddyn ap Cynfyn, Rhiwallon ap Cynfyn^[23]^[24]
Languages spoken, written or signed: Welsh, medieval Latin, French^[19]^[20]^[21]
Described by source: Dictionary of National Biography, 1885–1900^[18]
Given name: Gruffydd^[17]
Name in native language: Gruffydd ap Llywelyn^[22]
Native language: Welsh^[13]

🏷️ Also known as

en Gruffudd ap Llywelyn en Gruffydd ap Llywelyn en Gruffydd ap Llywelyn, King of Wales es Gruffyd ap Llywelyn ja グリフィズ・アプ・サウェリン nl Gruffudd ap Llywelyn ru Грифид ап Ливелин ru Грифид ап Лливелин ru Грифит ап Лливелин zh 格鲁夫菲德·埃普·利维林 zh 格鲁菲兹·阿普·卢埃林 zh 格鲁菲德·埃普·利维林 zh 格鲁菲德·阿颇·卢埃林 zh-hans 格鲁菲兹·阿普·卢埃林 zh-hans 格鲁菲德·埃普·利维林 zh-hans 格鲁菲德·阿颇·卢埃林 zh-hant 格魯夫菲德·埃普·利維林 zh-hant 格魯菲德·埃普·利維林 zh-hant 格魯菲德·阿頗·盧埃林 zh-hant 格魯菲茲·阿普·盧埃林

🔖 Identifiers · 22

ISNI: 000000044714794X
VIAF cluster ID: 65261849, 299024616
Library of Congress Authorities ID: n78040215
GND ID: 1033433209
Dictionary of Welsh Biography ID: s12-GRUF-APL-1063, s-GRUF-APL-1063
Encyclopædia Britannica Online ID: biography/Gruffudd-ap-Llywelyn
FAST ID: 1821902
FamilySearch person ID: M1W5-BFF
Freebase ID: /m/0lfjx
Genealogics.org person ID: I00027749
Kindred Britain ID: I26434
National Library of Wales Authority ID: gruffydd-ap-llywelyn-ca-1007-1063, gruffydd-ab-llewelyn-king-of-wales-d-1063

Show all 22 identifiers +10

Oxford Dictionary of National Biography ID: 11695
PASE ID: 18900
Rodovid ID: 67366
Roglo person ID: p=gruffydd;n=of deheubarth
SNARC ID: Castel Campagnano
The Peerage person ID: p10257.htm#i102570
WeRelate person ID: Gruffydd_ap_Llywelyn_(1)
WikiTree person ID: Ap_Llywelyn-14
WorldCat Entities ID: E39PBJkxJDh4RHgRFCD83prcyd
Yale LUX ID: person/c2a0df40-681d-42d9-9103-af9b4a0f1f0b

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

🔗 Connections

Languages spoken, written or signed 3

French, Welsh, medieval Latin

Sibling 3

Bleddyn ap Cynfyn, Rhiwallon ap Cynfyn, Gwladus Ddu

Siblings 3

Bleddyn ap Cynfyn, Rhiwallon ap Cynfyn, Gwladus Ddu

Country of citizenship 1

Wales

Father 1

Llywelyn ap Seisyll

Instance of 1

human

Native language 1

Welsh

Noble title 1

king

Occupation 1

monarch

Parent of 1

Llywelyn ap Seisyll

Place of birth 1

Wales

Place of death 1

Snowdonia

Position held 1

king

SNARC ID 1

Castel Campagnano

Sex or gender 1

male

Spouse 1

Ealdgyth

Spouses 1

Ealdgyth

← FactGrid item ID 1

Polkove

Press Enter · cited answer in seconds

Gruffudd ap Llywelyn, born on January 1, 1000 in Wales, was a monarch who held the position of king^[1]. He was the son of Llywelyn ap Seisyll and Angharad ferch Maredudd^[2]^[2], and had several siblings including Angharad ferch Llywelyn, Gwladus Ddu, Bleddyn ap Cynfyn, Rhiwallon ap Cynfyn, and Elen ferch Llywelyn.

He married Ealdgyth^[3], and together they had four children: Maredudd ap Gruffudd, Ithel ap Gruffudd, and two daughters named Nest ferch Gruffudd^[2]^[4].

Gruffudd died on August 5, 1063 in Snowdonia.

FAQs

Where was Gruffudd ap Llywelyn born?

Gruffudd ap Llywelyn's place of birth was Wales^[2].

Where did Gruffudd ap Llywelyn die?

Gruffudd ap Llywelyn died in Snowdonia^[4].

Who were Gruffudd ap Llywelyn's parents?

Gruffudd ap Llywelyn's father was Llywelyn ap Seisyll^[6]. Gruffudd ap Llywelyn's mother was Angharad ferch Maredudd^[7].

Who was Gruffudd ap Llywelyn married to?

Gruffudd ap Llywelyn's spouses include Ealdgyth^[8].

What did Gruffudd ap Llywelyn do for work?

Gruffudd ap Llywelyn worked as a monarch^[5].

References

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

Direct Wikidata claims

[2] ↑ Gruffudd ap Llywelyn — place of birth (P19): Wales. wikidata.org.
[4] ↑ Gruffudd ap Llywelyn — place of death (P20): Snowdonia. wikidata.org.
[16] ↑ Gruffudd ap Llywelyn — sex or gender (P21): male. The Peerage. wikidata.org.
[6] ↑ Gruffudd ap Llywelyn — father (P22): Llywelyn ap Seisyll. The Peerage. wikidata.org.
[7] ↑ Gruffudd ap Llywelyn — mother (P25): Angharad ferch Maredudd. The Peerage. wikidata.org.
[8] ↑ Gruffudd ap Llywelyn — spouse (P26): Ealdgyth. Kindred Britain. Retrieved 2020-08-07. wikidata.org.
[12] ↑ Gruffudd ap Llywelyn — country of citizenship (P27): Wales. wikidata.org.
[14] ↑ Gruffudd ap Llywelyn — position held (P39): King of Gwynedd. wikidata.org.
[15] ↑ Gruffudd ap Llywelyn — position held (P39): King of Deheubarth. wikidata.org.
[9] ↑ Gruffudd ap Llywelyn — child (P40): Maredudd ap Gruffudd. The Peerage. wikidata.org.
[10] ↑ Gruffudd ap Llywelyn — child (P40): Ithel ap Gruffudd. The Peerage. wikidata.org.
[11] ↑ Gruffudd ap Llywelyn — child (P40): Nest ferch Gruffudd. The Peerage. wikidata.org.
[13] ↑ Gruffudd ap Llywelyn — native language (P103): Welsh. wikidata.org.
[5] ↑ Gruffudd ap Llywelyn — occupation (P106): monarch. Dictionary of Welsh Biography. wikidata.org.
[1] ↑ Gruffudd ap Llywelyn — date of birth (P569): 1000. wikidata.org.
[3] ↑ Gruffudd ap Llywelyn — date of death (P570): August 5, 1063. wikidata.org.
[17] ↑ Gruffudd ap Llywelyn — given name (P735): Gruffydd. wikidata.org.
[18] ↑ Gruffudd ap Llywelyn — described by source (P1343): Dictionary of National Biography, 1885–1900. wikidata.org.
[19] ↑ Gruffudd ap Llywelyn — languages spoken, written or signed (P1412): Welsh. wikidata.org.
[20] ↑ Gruffudd ap Llywelyn — languages spoken, written or signed (P1412): medieval Latin. wikidata.org.
[21] ↑ Gruffudd ap Llywelyn — languages spoken, written or signed (P1412): French. wikidata.org.
[22] ↑ Gruffudd ap Llywelyn — name in native language (P1559): Gruffydd ap Llywelyn. wikidata.org.
[23] ↑ Gruffudd ap Llywelyn — sibling (P3373): Bleddyn ap Cynfyn. wikidata.org.
[24] ↑ Gruffudd ap Llywelyn — sibling (P3373): Rhiwallon ap Cynfyn. 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

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MLA

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

BibTeX

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

LLM prompt

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

Canonical URL: https://4ort.xyz/entity/gruffudd-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.

11w ago · Epìdosis · 2026-08-25 view diff on Wikidata ↗

Child → Maredudd ap Gruffudd, Ithel ap Gruffudd, Nest ferch Gruffudd +1

Native language → Welsh

Spouse → Ealdgyth

Dictionary of Welsh Biography ID → s12-GRUF-APL-1063, s-GRUF-APL-1063

+ 14 other properties edited (see Wikidata diff for full list)

"Created claim: VIAF cluster ID: 299024616"

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