Sejanus

confidant of the Roman Emperor Tiberius and prefect of the Roman imperial Praetorian Guard (20 BC - AD 31)
Person human Q120015
Sejanus
Etching by G. Mochetti after drawing by Bartolomeo Pinelli · Public Domain · Wikimedia
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Summary

Sejanus was born on June 3, 20 BC[1], in Volsinii[2]. He died on October 16, 31[3], in Rome[4]. He worked as a politician[5] and military personnel[6]. He ranks in the top 0.68% of human entities by monthly Wikipedia readership (3,675 views/month, #6,833 of 1,000,298).[7]

Key Facts

  • Date of death: October 18, 31[8]
  • Father: Lucius Seius Strabo[9], Sextus Aelius Catus[10]
  • Mother: Junia Blaesa[11]
  • Spouse: Apicata[12], Livilla[13]
  • Child: Lucius Aelius Strabo[14], Aelia Junilla[15], Capito Aelianus[16]
  • Country of citizenship: Ancient Rome[17]
  • Position held: Roman consul[18], Praetorian prefect[19]
  • Sex or gender: male[20]
  • Military branch: Praetorian Guard[21]
  • Commons category: Sejanus[22]
  • Military, police or special rank: Praetorian prefect[23]
  • Unmarried partner: Livilla[24], Aemilia Lepida[25]
  • Cause of death: strangling[26]
  • Allegiance: Roman Empire[27]
  • Manner of death: capital punishment[28]
  • Described by source: Brockhaus and Efron Encyclopedic Dictionary[29], Pauly–Wissowa[30], Small Brockhaus and Efron Encyclopedic Dictionary[31], Russian translation of Lübker's Antiquity Lexicon[32], Meyers Konversations-Lexikon, 4th edition (1885–1890)[33], Encyclopædia Britannica 11th edition[34]
  • Languages spoken, written or signed: Latin[35]
  • Name in native language: Lucius Aelius Seianus[36]
  • Time period: High Roman Empire[37]
  • Praenomen: Lucius[38]
  • Nomen gentilicium: Seius[39], Aelius[40]
  • Cognomen: Strabo[41]
  • Agnomen: Seianus[42]
  • Sibling: Lucius Seius Tubero[43], Aelia Paetina[44], Aelia Catella[45]
  • Gens: Seia gens[46], Aelia gens[47]

Why It Matters

Sejanus has Wikipedia articles in 24 language editions, a strong signal of global cultural recognition.[48] He is known by 22 alternative names across languages and contexts.[49]

FAQs

Where was Sejanus born?

Sejanus's place of birth was Volsinii[2].

Where did Sejanus die?

Sejanus passed away in Rome[4].

Who were Sejanus's parents?

Sejanus's father was Lucius Seius Strabo[9]. Sejanus's mother was Junia Blaesa[11].

Who was Sejanus married to?

Sejanus's spouses include Apicata[12] and Livilla[13].

What did Sejanus do for work?

Sejanus worked as a politician[5] and military personnel[6].

References

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

Direct Wikidata claims

  1. [2] ↑ . The Annals (Tacitus)/Book 4. wikidata.org.
  2. [4] ↑ . wikidata.org.
  3. [20] ↑ . wikidata.org.
  4. [9] ↑ . Seiani. wikidata.org.
  5. [10] ↑ . wikidata.org.
  6. [11] ↑ . wikidata.org.
  7. [12] ↑ . wikidata.org.
  8. [13] ↑ . wikidata.org.
  9. [17] ↑ . wikidata.org.
  10. [18] ↑ . wikidata.org.
  11. [19] ↑ . onlinelibrary.wiley.com. onlinelibrary.wiley.com. Provenance: wikidata.org.
  12. [14] ↑ . wikidata.org.
  13. [15] ↑ . wikidata.org.
  14. [16] ↑ . wikidata.org.
  15. [5] ↑ . wikidata.org.
  16. [6] ↑ . Retrieved . wikidata.org.
  17. [21] ↑ . wikidata.org.
  18. [22] ↑ . wikidata.org.
  19. [23] ↑ . wikidata.org.
  20. [24] ↑ . wikidata.org.
  21. [25] ↑ . wikidata.org.
  22. [26] ↑ . wikidata.org.
  23. [1] ↑ . The Annals (Tacitus)/Book 4. wikidata.org.
  24. [3] ↑ . wikidata.org.
  25. [8] ↑ . wikidata.org.
  26. [27] ↑ . wikidata.org.
  27. [28] ↑ . wikidata.org.
  28. [29] ↑ . wikidata.org.
  29. [30] ↑ . wikidata.org.
  30. [31] ↑ . wikidata.org.
  31. [32] ↑ . wikidata.org.
  32. [33] ↑ . wikidata.org.
  33. [34] ↑ . wikidata.org.
  34. [35] ↑ . wikidata.org.
  35. [36] ↑ . wikidata.org.
  36. [37] ↑ . wikidata.org.
  37. [38] ↑ . wikidata.org.
  38. [39] ↑ . wikidata.org.
  39. [40] ↑ . wikidata.org.
  40. [41] ↑ . wikidata.org.
  41. [42] ↑ . wikidata.org.
  42. [43] ↑ . wikidata.org.
  43. [44] ↑ . wikidata.org.
  44. [45] ↑ . wikidata.org.
  45. [46] ↑ . wikidata.org.
  46. [47] ↑ . wikidata.org.

Aggregate / graph-position facts

  1. [7] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [48] ↑ . Wikidata sitelinks. wikidata.org.
  3. [49] ↑ . Wikidata aliases. wikidata.org.

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APA 4ort.xyz Knowledge Graph. (2026). Sejanus. Retrieved October 15, 2026, from https://4ort.xyz/entity/sejanus
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BibTeX @misc{4ortxyz_sejanus_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Sejanus}}, year = {2026}, url = {https://4ort.xyz/entity/sejanus}, note = {Accessed: 2026-10-15}}
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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. 9d ago · Printstream · 2026-10-06 view diff on Wikidata ↗
    Sitelink count → 41
    Wikipedia languages → ['ar', 'arz', 'bg', 'br', 'ca', 'commons', 'cs', 'cy', 'da', 'de', 'el', 'en', '
    Claims rich → —
    "/* wbeditentity-update-languages-short:0||de */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/57891|batch #57891]]: Import missing aliases from dewiki 1/5"
  2. 16w ago · Printstream · 2026-06-25 view diff on Wikidata ↗
    P14536 → 381613
    "/* wbcreateclaim-create:1| */ P14536: 381613, #quickstatements; #temporary_batch_1782398664614"
  3. 22w ago · JBradyK · 2026-05-10 view diff on Wikidata ↗
    Position held → Roman consul, Praetorian prefect
    Place of death → Rome
    Time period → High Roman Empire
    Citizenship → —
    + 28 other properties edited (see Wikidata diff for full list)
    "/* wbcreateclaim-create:1| */ Significant place: Volsinii, #quickstatements; #temporary_batch_1778423652304"
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