Theodore I

Marquess of Montferrat (1306-1338)
Person human Q389345
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Summary

Theodore I is a human[1]. Born in Constantinople[2], he… he was born on January 1, 1290[3]. He died in Trino[4]. He died on April 24, 1338[5]. He worked as a writer[6]. He ranks in the top 0.73% of human entities by monthly Wikipedia readership (211 views/month, #7,284 of 1,000,298).[7]

Key Facts

  • Born in Constantinople[2].
  • Theodore I died in Trino[4].
  • Theodore I was born on January 1, 1290[3].
  • Theodore I was born on 1291[8].
  • Theodore I died on April 24, 1338[5].
  • Theodore I died on 1338[9].
  • Theodore I's father was Andronikos II Palaiologos[10].
  • Theodore I's mother was Irene–Yolande of Montferrat[11].
  • Theodore I was married to Argentina Spinola[12].
  • A child of Theodore I was Yolande Palaeologina of Montferrat[13].
  • A child of Theodore I was John II, Marquess of Montferrat[14].
  • Theodore I held citizenship in Byzantine Empire[15].
  • Theodore I's professions included writer[6].
  • Theodore I held the position of marquis of Montferrat[16].
  • A notable work attributed to Theodore I is De regimine principis[17].
  • Theodore I is recorded as male[18].
  • Theodore I's instance of is recorded as human[19].
  • Theodore I's family is recorded as Palaiologos[20].
  • Theodore I's noble title is recorded as Marquess[21].
  • Theodore I's given name is recorded as Théodore[22].
  • Theodore I's sibling is recorded as Michael IX Palaiologos[23].
  • Theodore I's sibling is recorded as Simonida[24].
  • Theodore I's sibling is recorded as John Palaiologos[25].
  • Theodore I's sibling is recorded as Demetrios Palaiologos[26].
  • Theodore I's sibling is recorded as Bartholomaios Palaiologos[27].

Body

Origins and Family

Theodore I's place of birth was Constantinople[2]. Recorded date of birth include January 1, 1290[3] and 1291[8]. His father was Andronikos II Palaiologos[10]. His mother was Irene–Yolande of Montferrat[11].

Career and Affiliations

Theodore I worked as a writer[6]. He held the position of marquis of Montferrat[16].

Works and Contributions

A notable work attributed to Theodore I is De regimine principis[17].

Personal Life

Theodore I was married to Argentina Spinola[12]. Children include Yolande Palaeologina of Montferrat[13], an aristocrat[28], 1318–1342[29] and John II, Marquess of Montferrat[14], a ruler[30], 1321–1372[31], of Byzantine Empire[32].

Death and Burial

Recorded date of death include April 24, 1338[5] and 1338[9]. Theodore I passed away in Trino[4].

Why It Matters

Theodore I ranks in the top 0.73% of human entities by monthly Wikipedia readership (211 views/month, #7,284 of 1,000,298).[7] He has Wikipedia articles in 13 language editions, a strong signal of global cultural recognition.[33] He is known by 22 alternative names across languages and contexts.[34]

FAQs

Where was Theodore I born?

Born in Constantinople[2].

Where did Theodore I die?

Theodore I passed away in Trino[4].

Who were Theodore I's parents?

Theodore I's father was Andronikos II Palaiologos[10]. Theodore I's mother was Irene–Yolande of Montferrat[11].

Who was Theodore I married to?

Theodore I's spouses include Argentina Spinola[12].

What did Theodore I do for work?

Theodore I worked as writer[6].

References

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

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [4] ↑ . wikidata.org.
  3. [18] ↑ . wikidata.org.
  4. [10] ↑ . wikidata.org.
  5. [11] ↑ . wikidata.org.
  6. [12] ↑ . Retrieved . wikidata.org.
  7. [15] ↑ . wikidata.org.
  8. [19] ↑ . wikidata.org.
  9. [16] ↑ . wikidata.org.
  10. [13] ↑ . wikidata.org.
  11. [14] ↑ . wikidata.org.
  12. [20] ↑ . wikidata.org.
  13. [21] ↑ . wikidata.org.
  14. [6] ↑ . wikidata.org.
  15. [3] ↑ . wikidata.org.
  16. [8] ↑ . Faceted Application of Subject Terminology. Retrieved . wikidata.org.
  17. [5] ↑ . wikidata.org.
  18. [9] ↑ . Faceted Application of Subject Terminology. Retrieved . wikidata.org.
  19. [22] ↑ . wikidata.org.
  20. [17] ↑ . wikidata.org.
  21. [23] ↑ . wikidata.org.
  22. [24] ↑ . wikidata.org.
  23. [25] ↑ . wikidata.org.
  24. [26] ↑ . wikidata.org.
  25. [27] ↑ . wikidata.org.

Inline context (facts about related entities)

  1. [28] ↑ . Wikidata. wikidata.org. → on this site
  2. [29] ↑ . Wikidata. wikidata.org. → on this site
  3. [30] ↑ . Wikidata. wikidata.org. → on this site
  4. [31] ↑ . Wikidata. wikidata.org. → on this site
  5. [32] ↑ . Wikidata. wikidata.org. → on this site

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [7] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [33] ↑ . Wikidata sitelinks. wikidata.org.
  3. [34] ↑ . Wikidata aliases. 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). Theodore I. Retrieved October 12, 2026, from https://4ort.xyz/entity/theodore-i-q389345
MLA “Theodore I.” 4ort.xyz Knowledge Graph, 4ort.xyz, 12 Oct. 2026, https://4ort.xyz/entity/theodore-i-q389345.
BibTeX @misc{4ortxyz_theodore-i-q389345_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Theodore I}}, year = {2026}, url = {https://4ort.xyz/entity/theodore-i-q389345}, note = {Accessed: 2026-10-12}}
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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. 6d ago · Printstream · 2026-10-06 view diff on Wikidata ↗
    Noble title → Marquess
    Place of birth → Constantinople
    Notable work → De regimine principis
    Sibling → Michael IX Palaiologos, Simonida, John Palaiologos +2
    + 20 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update-languages-short:0||de */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/57984|batch #57984]]: Import missing aliases from dewiki 1/3"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.