Guillaume IX

Duke of Aquitaine and Gascony and Count of Poitou
Person human Q5351
Guillaume IX
Unknown authorUnknown author · Public Domain · Wikimedia
Press Enter · cited answer in seconds

Guillaume IX

Summary

Guillaume IX is a human[1]. He was born on October 22, 1071[2]. He died in Poitiers[3]. He died on February 11, 1127[4]. He worked as a troubadour[5], poet[6], writer[7], composer[8], and warrior[9]. He ranks in the top 0.72% of human entities by monthly Wikipedia readership (524 views/month, #7,159 of 1,000,298).[10]

Key Facts

  • Guillaume IX died in Poitiers[3].
  • Guillaume IX was born on October 22, 1071[2].
  • Guillaume IX died on February 11, 1127[4].
  • Guillaume IX is buried at Church of Saint-Jean de Montierneuf[11].
  • Guillaume IX's father was William VIII, Duke of Aquitaine[12].
  • Guillaume IX's mother was Hildegarde of Burgundy[13].
  • Guillaume IX was married to Ermengarde of Anjou[14].
  • Guillaume IX was married to Philippa, Countess of Toulouse[15].
  • A child of Guillaume IX was Agnes of Aquitaine, Queen of Aragon[16].
  • A child of Guillaume IX was William X, Duke of Aquitaine[17].
  • A child of Guillaume IX was Henry of Poitiers[18].
  • A child of Guillaume IX was Raymond of Poitiers[19].
  • Guillaume IX held citizenship in Duchy of Aquitaine[20].
  • Guillaume IX's professions included troubadour[5].
  • Guillaume IX worked as a poet[6].
  • Guillaume IX worked as a writer[7].
  • Guillaume IX worked as a composer[8].
  • Guillaume IX's professions included warrior[9].
  • Guillaume IX is recorded as male[21].
  • Guillaume IX's instance of is recorded as human[22].
  • Guillaume IX's family is recorded as Ramnulfids[23].
  • Guillaume IX's noble title is recorded as duke of Aquitaine[24].
  • Guillaume IX's noble title is recorded as count of Poitiers[25].
  • Guillaume IX is associated with the troubadoric poetry movement[26].
  • Guillaume IX is associated with the medieval music movement[27].

Product Details

The following facts are restated verbatim from public-domain and CC0 open-data sources — every line is independently verifiable against the named source's catalog.

MusicBrainz — CC0 open music encyclopedia

  • Type: Person[28]

  • Country: FR[29]

  • Began / founded: 1071-10-22[30]

  • Ended / dissolved: 1126-02-11[31]

  • MusicBrainz ID: 3ace9a3c-e7da-4def-b356-6620478812fc[32]

Body

Origins and Family

Guillaume IX was born on October 22, 1071[2]. His father was William VIII, Duke of Aquitaine[12]. His mother was Hildegarde of Burgundy[13].

Career and Affiliations

Recorded occupations include troubadour[5], poet[6], writer[7], composer[8], and warrior[9].

Personal Life

Spouses include Ermengarde of Anjou[14], a politician[33], 1068–1146[34], of France[35] and Philippa, Countess of Toulouse[15], a politician[36]. Children include Agnes of Aquitaine, Queen of Aragon[16], an aristocrat[37], 1103–1159[38]; William X, Duke of Aquitaine[17], an aristocrat[39], 1099–1137[40]; Henry of Poitiers[18], a religious figure[41], 1100–1149[42], of France[43]; and Raymond of Poitiers[19], a military personnel[44], 1115–1149[45], of Kingdom of France[46].

Death and Burial

Guillaume IX died on February 11, 1127[4]. He passed away in Poitiers[3]. Burial took place at Church of Saint-Jean de Montierneuf[11].

Why It Matters

Guillaume IX ranks in the top 0.72% of human entities by monthly Wikipedia readership (524 views/month, #7,159 of 1,000,298).[10] He has Wikipedia articles in 23 language editions, a strong signal of global cultural recognition.[47] He is known by 18 alternative names across languages and contexts.[48]

FAQs

Where did Guillaume IX die?

Guillaume IX passed away in Poitiers[3].

Who were Guillaume IX's parents?

Guillaume IX's father was William VIII, Duke of Aquitaine[12]. Guillaume IX's mother was Hildegarde of Burgundy[13].

Who was Guillaume IX married to?

Guillaume IX's spouses include Ermengarde of Anjou[14] and Philippa, Countess of Toulouse[15].

What did Guillaume IX do for work?

Guillaume IX worked as troubadour[5], poet[6], writer[7], composer[8], and warrior[9].

References

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

Direct Wikidata claims

  1. [3] . wikidata.org.
  2. [21] . BnF authorities. Retrieved . wikidata.org.
  3. [12] . wikidata.org.
  4. [13] . wikidata.org.
  5. [14] . Retrieved . wikidata.org.
  6. [15] . Q75653886. Retrieved . wikidata.org.
  7. [20] . wikidata.org.
  8. [22] . BnF authorities. Retrieved . wikidata.org.
  9. [16] . Q75653886. wikidata.org.
  10. [17] . Q75653886. wikidata.org.
  11. [18] . wikidata.org.
  12. [19] . wikidata.org.
  13. [23] . wikidata.org.
  14. [24] . wikidata.org.
  15. [25] . wikidata.org.
  16. [5] . BnF authorities. Retrieved . wikidata.org.
  17. [6] . wikidata.org.
  18. [7] . wikidata.org.
  19. [8] . Musicalics. Retrieved . wikidata.org.
  20. [9] . wikidata.org.
  21. [11] . wikidata.org.
  22. [26] . wikidata.org.
  23. [27] . wikidata.org.
  24. [2] . BnF authorities. Retrieved . wikidata.org.
  25. [4] . BnF authorities. Retrieved . wikidata.org.

Product details (FDA / USDA / NHTSA public-domain catalog data)

  1. [28] . MusicBrainz (MetaBrainz Foundation). musicbrainz.org.
  2. [29] . MusicBrainz (MetaBrainz Foundation). musicbrainz.org.
  3. [30] . MusicBrainz (MetaBrainz Foundation). musicbrainz.org.
  4. [31] . MusicBrainz (MetaBrainz Foundation). musicbrainz.org.
  5. [32] . MusicBrainz (MetaBrainz Foundation). musicbrainz.org.

Inline context (facts about related entities)

  1. [33] . Wikidata. wikidata.org. → on this site
  2. [34] . Wikidata. wikidata.org. → on this site
  3. [35] . Wikidata. wikidata.org. → on this site
  4. [36] . Wikidata. wikidata.org. → on this site
  5. [37] . Wikidata. wikidata.org. → on this site
  6. [38] . Wikidata. wikidata.org. → on this site
  7. [39] . Wikidata. wikidata.org. → on this site
  8. [40] . Wikidata. wikidata.org. → on this site
  9. [41] . Wikidata. wikidata.org. → on this site
  10. [42] . Wikidata. wikidata.org. → on this site
  11. [43] . Wikidata. wikidata.org. → on this site
  12. [44] . Wikidata. wikidata.org. → on this site
  13. [45] . Wikidata. wikidata.org. → on this site
  14. [46] . Wikidata. wikidata.org. → on this site

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [10] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [47] . Wikidata sitelinks. wikidata.org.
  3. [48] . Wikidata aliases. wikidata.org.

📑 Cite this page

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). Guillaume IX. Retrieved April 10, 2026, from https://4ort.xyz/entity/guillaume-ix
MLA “Guillaume IX.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Apr. 2026, https://4ort.xyz/entity/guillaume-ix.
BibTeX @misc{4ortxyz_guillaume-ix_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Guillaume IX}}, year = {2026}, url = {https://4ort.xyz/entity/guillaume-ix}, note = {Accessed: 2026-04-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Guillaume IX — https://4ort.xyz/entity/guillaume-ix (retrieved 2026-04-10)

Canonical URL: https://4ort.xyz/entity/guillaume-ix · Last refreshed:

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.

  1. 16d ago · CathSoph · 2026-05-16 view diff on Wikidata ↗
    Cerl thesaurus id cnp00397162
    Date of death +1127-02-11T00:00:00Z
    Place of birth Q6616
    "/* wbsetclaim-update:2||1 */ [[Property:P19]]: [[Q6616]]"
  2. 20d ago · Epìdosis · 2026-05-12 view diff on Wikidata ↗
    Local thumb
    Cerl thesaurus id cnp00397162
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/30850|batch #30850]]: match CERL IDs on the basis of GND (6)"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.