THE DATE BEHIND THE NAME
Bolesław I of Masovia
Polish noble
Bolesław I of Masovia was born in 1208 and died in 1248.
Born
in 1208
Died: in 1248
Source:
No external source identified
Synchronized from Wikidata on October 5, 2026.
Original calendar: Julian. This broad date cannot be represented as a single Gregorian date; the original value is shown.
- Professions
- feudatory, monarch
More about Bolesław I of Masovia
Family
- Father
- Konrad I of Masovia
- Sibling
- Siemowit I of Masovia
- Sibling
- Casimir I of Kuyavia
- Mother
- Agafia of Rus
All birth date sources
A source is P248 “stated in” or a non-Wikimedia reference URL. Import-only references do not qualify.
No external source identified
Synchronized from Wikidata on October 5, 2026. View Wikidata record
Questions people ask
When did Bolesław I of Masovia die?
Bolesław I of Masovia died in 1248.