- Born on July 26, 1016
- Deceased on November 28, 1058, at the age of 42 years
Parents
- Miesszko Lambert Piast, Mieszko II de Pologne (990 - 1034), roi de Pologne
- Richezza (Ezzonides), Richezza de Bonngau
Family
- Married with Maria Dobroniega (Rurikides), issuing
Świętosława ( - 1126)- Ladislas (1042 - 1102)
- Otton
- Boleslas
- Mieszko