Leonardus Lessius

Lenaert Leys, Flemish moral theologian from the Jesuit order (1554-1623)
Person human Q1367280
Leonardus Lessius
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Summary

Leonardus Lessius was born on October 1, 1554[1], in Brecht[2]. He died on January 15, 1623[3], in Leuven[4]. He worked as a theologian[5], Catholic priest[6], moral theologian[7], and Catholic theologian[8]. He ranks in the top 0.73% of human entities by monthly Wikipedia readership (163 views/month, #7,288 of 1,000,298).[9]

Key Facts

  • Place of burial: Saint-Michaels' church[10]
  • Father: Lenaert Leys[11]
  • Mother: Maria Aerts Derkinderen[12]
  • Country of citizenship: Duchy of Brabant[13]
  • Field of work: theology[14]
  • Educated at: Pontifical Gregorian University[15], Sapienza University of Rome[16], UCLouvain[17], Old University of Leuven[18]
  • Religion or worldview: Catholic Church[19]
  • Sex or gender: male[20]
  • Commons category: Leonardus Lessius[21]
  • Religious order: Society of Jesus[22]
  • Family name: Lessius[23]
  • Given name: Leonardus[24]
  • Pseudonym: Guilhelmus Singletonus[25], Wilhelmus Singletonus[26]
  • Depicted by: Portrait of Leonardus Lessius[27]
  • Described by source: BEIC Digital Library[28], The Catholic Encyclopedia[29]
  • Languages spoken, written or signed: Latin[30]
  • Birth name: Lenaert Leys[31]

Why It Matters

Leonardus Lessius has Wikipedia articles in 8 language editions, a strong signal of global cultural recognition.[32] He is known by 25 alternative names across languages and contexts.[33]

FAQs

Where was Leonardus Lessius born?

Leonardus Lessius was born in Brecht[2].

Where did Leonardus Lessius die?

Leonardus Lessius died in Leuven[4].

Who were Leonardus Lessius's parents?

Leonardus Lessius's father was Lenaert Leys[11]. Leonardus Lessius's mother was Maria Aerts Derkinderen[12].

What did Leonardus Lessius do for work?

Leonardus Lessius worked as a theologian[5], Catholic priest[6], moral theologian[7], and Catholic theologian[8].

Where did Leonardus Lessius go to school?

Leonardus Lessius was educated at Pontifical Gregorian University[15], Sapienza University of Rome[16], UCLouvain[17], and Old University of Leuven[18].

References

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

Direct Wikidata claims

  1. [2] ↑ . BnF authorities. Retrieved . wikidata.org.
  2. [4] ↑ . BnF authorities. Retrieved . wikidata.org.
  3. [20] ↑ . Virtual International Authority File. Retrieved . wikidata.org.
  4. [11] ↑ . wikidata.org.
  5. [12] ↑ . wikidata.org.
  6. [13] ↑ . wikidata.org.
  7. [15] ↑ . wikidata.org.
  8. [16] ↑ . Retrieved . wikidata.org.
  9. [17] ↑ . Retrieved . wikidata.org.
  10. [18] ↑ . Retrieved . wikidata.org.
  11. [14] ↑ . Czech National Authority Database. Retrieved . wikidata.org.
  12. [5] ↑ . BnF authorities. Retrieved . wikidata.org.
  13. [6] ↑ . wikidata.org.
  14. [7] ↑ . Integrated Authority File. Retrieved . wikidata.org.
  15. [8] ↑ . Integrated Authority File. Retrieved . wikidata.org.
  16. [10] ↑ . wikidata.org.
  17. [19] ↑ . BnF authorities. Retrieved . wikidata.org.
  18. [21] ↑ . wikidata.org.
  19. [1] ↑ . BnF authorities. Retrieved . wikidata.org.
  20. [3] ↑ . BnF authorities. Retrieved . wikidata.org.
  21. [22] ↑ . BnF authorities. Retrieved . wikidata.org.
  22. [23] ↑ . LIBRIS. Retrieved . wikidata.org.
  23. [24] ↑ . LIBRIS. Retrieved . wikidata.org.
  24. [25] ↑ . Czech National Authority Database. Retrieved . wikidata.org.
  25. [26] ↑ . Czech National Authority Database. Retrieved . wikidata.org.
  26. [27] ↑ . wikidata.org.
  27. [28] ↑ . digitale.beic.it. digitale.beic.it. Provenance: wikidata.org.
  28. [29] ↑ . wikidata.org.
  29. [30] ↑ . BnF authorities. Retrieved . wikidata.org.
  30. [31] ↑ . wikidata.org.

Aggregate / graph-position facts

  1. [9] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [32] ↑ . Wikidata sitelinks. wikidata.org.
  3. [33] ↑ . Wikidata aliases. wikidata.org.

📑 Cite this page

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APA 4ort.xyz Knowledge Graph. (2026). Leonardus Lessius. Retrieved October 11, 2026, from https://4ort.xyz/entity/leonardus-lessius
MLA “Leonardus Lessius.” 4ort.xyz Knowledge Graph, 4ort.xyz, 11 Oct. 2026, https://4ort.xyz/entity/leonardus-lessius.
BibTeX @misc{4ortxyz_leonardus-lessius_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Leonardus Lessius}}, year = {2026}, url = {https://4ort.xyz/entity/leonardus-lessius}, note = {Accessed: 2026-10-11}}
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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. 5d ago · Epìdosis · 2026-10-07 view diff on Wikidata ↗
    Nlb authority id (belarus) → NLB-ar5071991
    Wikipedia languages → ['arz', 'commons', 'de', 'en', 'eo', 'es', 'fr', 'it', 'nl', 'pt', 'uk']
    Claims rich → —
    "/* wbcreateclaim-create:1| */ Nlb authority id (belarus): NLB-ar5071991, [[:toollabs:quickstatements/#/batch/289738|batch #289738]]"
  2. 13w ago · Epìdosis · 2026-07-10 view diff on Wikidata ↗
    P14611 → 9124, 114680, 114679
    "/* wbcreateclaim-create:1| */ P14611: 114679, [[:toollabs:quickstatements/#/batch/260288|batch #260288]]"
  3. 13w ago · Epìdosis · 2026-07-10 view diff on Wikidata ↗
    P14611 → 9124, 114680, 114679
    "/* wbcreateclaim-create:1| */ P14611: 9124, [[:toollabs:quickstatements/#/batch/260256|batch #260256]]"
  4. 14w ago · Printstream · 2026-07-04 view diff on Wikidata ↗
    P14608 → 119443546
    "/* wbcreateclaim-create:1| */ P14608: 119443546, #quickstatements; #temporary_batch_1783130387391"
  5. 18w ago · MariuszRokin · 2026-06-07 view diff on Wikidata ↗
    Parsifal cluster id → 177764, 179270
    "/* wbcreateclaim-create:1| */ Parsifal cluster id: 179270, [[:toollabs:quickstatements/#/batch/259387|batch #259387]]"
  6. 19w ago · Bargioni · 2026-05-31 view diff on Wikidata ↗
    Occupation → theologian, Catholic priest, moral theologian +1
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/34190|batch #34190]]: add P1810 to P8034"
  7. 23w ago · MariuszRokin · 2026-04-30 view diff on Wikidata ↗
    Prabook id → 726476, 2156084
    "/* wbcreateclaim-create:1| */ Prabook id: 2156084, [[:toollabs:quickstatements/#/batch/257026|batch #257026]]"
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