Measure
Siemowit IV
About
Duke of Masovia
Quick Facts
- Name
- Siemowit IV
- Born
- 1352
- Died
- 1426-01-21
- Occupation
- aristocrat
Relationships
Spouses & partners
- SpouseAlexandra of LithuaniaFrom 1387
Family
- FatherSiemowit III, Duke of Masovia
- MotherEuphemia of Opava
- SiblingMargaret of Masovia
- SiblingEuphemia of Masovia
- SiblingJanusz I of Warsaw
Dates reflect listed records; an unspecified end date does not establish current status.
Sources & Credits
Wikidata · Q1980579 ↗
Biographical data from Wikidata (CC0). Fact links open the corresponding statements and references.
Portrait source & license ↗
Facts retrieved .