Siegfried III, Count of Boyneburg

Est 1053 - Abt 1107
Person human Q1424233
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Siegfried III, Count of Boyneburg

Summary

Siegfried III, Count of Boyneburg is a human[1]. He was born on 1050[2]. He died on January 1, 1107[3].

Key Facts

  • Siegfried III, Count of Boyneburg was born on 1050[2].
  • Siegfried III, Count of Boyneburg died on January 1, 1107[3].
  • Siegfried III, Count of Boyneburg's father was Otto of Nordheim[4].
  • Siegfried III, Count of Boyneburg's mother was Richenza of Swabia[5].
  • Among Siegfried III, Count of Boyneburg's spouses was Adelheid von Holstein[6].
  • A child of Siegfried III, Count of Boyneburg was Siegfried IV, Count of Northeim-Boyneburg and Homburg[7].
  • A child of Siegfried III, Count of Boyneburg was Richenza von Boyneburg[8].
  • A child of Siegfried III, Count of Boyneburg was Judith von Northeim[9].
  • A child of Siegfried III, Count of Boyneburg was Heinrich von Corvey[10].
  • Siegfried III, Count of Boyneburg is recorded as male[11].
  • Siegfried III, Count of Boyneburg's instance of is recorded as human[12].
  • Siegfried III, Count of Boyneburg's noble title is recorded as Graf[13].
  • Siegfried III, Count of Boyneburg's given name is recorded as Siegfried[14].
  • Siegfried III, Count of Boyneburg's sibling is recorded as Ethelinde of Northeim[15].
  • Siegfried III, Count of Boyneburg's sibling is recorded as Kuno, Count of Beichlingen[16].
  • Siegfried III, Count of Boyneburg's sibling is recorded as Henry, Margrave of Frisia[17].

Body

Origins and Family

Siegfried III, Count of Boyneburg was born on 1050[2]. His father was Otto of Nordheim[4]. His mother was Richenza of Swabia[5].

Personal Life

Siegfried III, Count of Boyneburg was married to Adelheid von Holstein[6]. Children include Siegfried IV, Count of Northeim-Boyneburg and Homburg[7], 1095–1144[18]; Richenza von Boyneburg[8], b. 1100[19]; Judith von Northeim[9], a nun[20], b. 1120[21]; and Heinrich von Corvey[10], 1100–1152[22].

Death and Burial

Siegfried III, Count of Boyneburg died on January 1, 1107[3].

FAQs

Who were Siegfried III, Count of Boyneburg's parents?

Siegfried III, Count of Boyneburg's father was Otto of Nordheim[4]. Siegfried III, Count of Boyneburg's mother was Richenza of Swabia[5].

Who was Siegfried III, Count of Boyneburg married to?

Siegfried III, Count of Boyneburg's spouses include Adelheid von Holstein[6].

References

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

Direct Wikidata claims

  1. [11] . wikidata.org.
  2. [4] . Genealogics. wikidata.org.
  3. [5] . Genealogics. wikidata.org.
  4. [6] . wikidata.org.
  5. [12] . wikidata.org.
  6. [7] . wikidata.org.
  7. [8] . Genealogics. wikidata.org.
  8. [9] . wikidata.org.
  9. [10] . wikidata.org.
  10. [13] . Catalog of the German National Library. Retrieved . wikidata.org.
  11. [2] . wikidata.org.
  12. [3] . Deutsche Biographie. Retrieved . wikidata.org.
  13. [14] . wikidata.org.
  14. [15] . wikidata.org.
  15. [16] . wikidata.org.
  16. [17] . wikidata.org.

Inline context (facts about related entities)

  1. [18] . Wikidata. wikidata.org. → on this site
  2. [19] . Wikidata. wikidata.org. → on this site
  3. [20] . Wikidata. wikidata.org. → on this site
  4. [21] . Wikidata. wikidata.org. → on this site
  5. [22] . Wikidata. wikidata.org. → on this site

Class ancestry

  1. [1] . Wikidata. 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). Siegfried III, Count of Boyneburg. Retrieved May 3, 2026, from https://4ort.xyz/entity/siegfried-iii-count-of-boyneburg
MLA “Siegfried III, Count of Boyneburg.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/siegfried-iii-count-of-boyneburg.
BibTeX @misc{4ortxyz_siegfried-iii-count-of-boyneburg_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Siegfried III, Count of Boyneburg}}, year = {2026}, url = {https://4ort.xyz/entity/siegfried-iii-count-of-boyneburg}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Siegfried III, Count of Boyneburg — https://4ort.xyz/entity/siegfried-iii-count-of-boyneburg (retrieved 2026-05-03)

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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. 7w ago · Epìdosis · 2026-05-12 view diff on Wikidata ↗
    Wikidata description Est 1053 - Abt 1107
    Given name Siegfried
    Sibling Ethelinde of Northeim, Kuno, Count of Beichlingen, Henry, Margrave of Frisia
    Genealogics.org person id I00105681
    + 17 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/30845|batch #30845]]: match CERL IDs on the basis of GND (3)"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.