Lasse Mårtenson

Finnish musician and composer (1934–2016)
Person human Q1806663
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Lasse Mårtenson

Summary

Lasse Mårtenson is a human[1]. Born in Helsinki[2], he… he was born on September 24, 1934[3]. He died in Espoo[4]. He died on May 14, 2016[5]. He worked as a singer[6], pianist[7], and composer[8]. He ranks in the top 0.73% of human entities by monthly Wikipedia readership (11 views/month, #7,286 of 1,000,298).[9]

Key Facts

  • Lasse Mårtenson's place of birth was Helsinki[2].
  • Lasse Mårtenson passed away in Espoo[4].
  • Lasse Mårtenson was born on September 24, 1934[3].
  • Lasse Mårtenson died on May 14, 2016[5].
  • Lasse Mårtenson's father was Elis Mårtenson[10].
  • Lasse Mårtenson's mother was Eini Mårtenson[11].
  • Among Lasse Mårtenson's spouses was Siw Malmkvist[12].
  • A child of Lasse Mårtenson was Kasper Mårtenson[13].
  • Lasse Mårtenson held citizenship in Finland[14].
  • Swedish was Lasse Mårtenson's native language[15].
  • Lasse Mårtenson worked as a singer[6].
  • Lasse Mårtenson's professions included pianist[7].
  • Lasse Mårtenson's professions included composer[8].
  • Lasse Mårtenson is recorded as male[16].
  • Lasse Mårtenson's instance of is recorded as human[17].
  • Lasse Mårtenson's genre is jazz[18].
  • Lasse Mårtenson's record label is recorded as Scandia[19].
  • Lasse Mårtenson's record label is recorded as RCA Victor[20].
  • Lasse Mårtenson's record label is recorded as Philips Records[21].
  • Lasse Mårtenson's discography is recorded as Lasse Mårtenson discography[22].
  • Lasse Mårtenson's Commons category is recorded as Lasse Mårtenson[23].
  • The cause of death was cerebral hemorrhage[24].
  • Lasse Mårtenson's family name is recorded as Mårtenson[25].
  • Lasse Mårtenson's given name is recorded as Lars[26].
  • Lasse Mårtenson's given name is recorded as Anders[27].

Body

Origins and Family

Lasse Mårtenson was born in Helsinki[2]. He was born on September 24, 1934[3]. His father was Elis Mårtenson[10]. His mother was Eini Mårtenson[11]. Swedish was his native language[15].

Career and Affiliations

Recorded occupations include singer[6], pianist[7], and composer[8].

Personal Life

Among Lasse Mårtenson's spouses was Siw Malmkvist[12]. A child of him was Kasper Mårtenson[13].

Death and Burial

Lasse Mårtenson died on May 14, 2016[5]. He died in Espoo[4]. The cause of death was cerebral hemorrhage[24].

Why It Matters

Lasse Mårtenson ranks in the top 0.73% of human entities by monthly Wikipedia readership (11 views/month, #7,286 of 1,000,298).[9] He has Wikipedia articles in 13 language editions, a strong signal of global cultural recognition.[28] He is known by 32 alternative names across languages and contexts.[29]

FAQs

Where was Lasse Mårtenson born?

Lasse Mårtenson's place of birth was Helsinki[2].

Where did Lasse Mårtenson die?

Lasse Mårtenson died in Espoo[4].

Who were Lasse Mårtenson's parents?

Lasse Mårtenson's father was Elis Mårtenson[10]. Lasse Mårtenson's mother was Eini Mårtenson[11].

Who was Lasse Mårtenson married to?

Lasse Mårtenson's spouses include Siw Malmkvist[12].

What did Lasse Mårtenson do for work?

Lasse Mårtenson worked as singer[6], pianist[7], and composer[8].

References

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

Direct Wikidata claims

  1. [2] . Freebase Data Dumps. wikidata.org.
  2. [4] . Iltalehti. Retrieved . iltalehti.fi. Provenance: wikidata.org.
  3. [16] . BiographySampo. Retrieved . wikidata.org.
  4. [10] . wikidata.org.
  5. [11] . wikidata.org.
  6. [12] . wikidata.org.
  7. [14] . wikidata.org.
  8. [17] . BiographySampo. Retrieved . wikidata.org.
  9. [13] . wikidata.org.
  10. [15] . Biografiskt lexikon för Finland. wikidata.org.
  11. [6] . wikidata.org.
  12. [7] . wikidata.org.
  13. [8] . wikidata.org.
  14. [18] . wikidata.org.
  15. [19] . wikidata.org.
  16. [20] . wikidata.org.
  17. [21] . wikidata.org.
  18. [22] . wikidata.org.
  19. [23] . wikidata.org.
  20. [24] . wikidata.org.
  21. [3] . Biografiskt lexikon för Finland. wikidata.org.
  22. [5] . Iltalehti. Retrieved . iltalehti.fi. Provenance: wikidata.org.
  23. [25] . wikidata.org.
  24. [26] . wikidata.org.
  25. [27] . wikidata.org.

Class ancestry

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

Aggregate / graph-position facts

  1. [9] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [28] . Wikidata sitelinks. wikidata.org.
  3. [29] . 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). Lasse Mårtenson. Retrieved April 10, 2026, from https://4ort.xyz/entity/lasse-m-rtenson
MLA “Lasse Mårtenson.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Apr. 2026, https://4ort.xyz/entity/lasse-m-rtenson.
BibTeX @misc{4ortxyz_lasse-m-rtenson_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Lasse Mårtenson}}, year = {2026}, url = {https://4ort.xyz/entity/lasse-m-rtenson}, note = {Accessed: 2026-04-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Lasse Mårtenson — https://4ort.xyz/entity/lasse-m-rtenson (retrieved 2026-04-10)

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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. 26d ago · Robertsilen · 2026-06-22 view diff on Wikidata ↗
    Genre jazz
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/37880|batch #37880]]: P136 genre, blf.fi, llm suggested, llm confirmed"
  2. 28d ago · Robertsilen · 2026-06-20 view diff on Wikidata ↗
    Citizenship
    Instance of human
    Instrument piano, voice
    Child Kasper Mårtenson
    + 26 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/37448|batch #37448]]: viktig person P3342 med roll P3831; tolkat ur artiklar vid blf.fi; släktskap/lärare exkluderade; batch #"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.