# Siemomysł - Duke of the Polans (semi-legendary)

URL: https://poland-history.com/rulers/siemomysl
Reign: c. 930–c. 960
Dynasty: House of Piast
Wikipedia: https://en.wikipedia.org/wiki/Siemomys%C5%82

Father of Mieszko I and the last pre-Christian Piast duke recorded in the chronicle tradition.

## Succession
- Preceded by: [Lestek](https://poland-history.com/rulers/lestek)
- Succeeded by: [Mieszko I](https://poland-history.com/rulers/mieszko-i)

## Timeline events during this reign
- 930 - [Masovians along the middle Vistula](https://poland-history.com/timeline/930-masovians-along-the-middle-vistula)
- 950 - [Siemomysł rules the Polans](https://poland-history.com/timeline/950-siemomysl-rules-the-polans)
- 960 - [Mieszko I becomes ruler of the Polans](https://poland-history.com/timeline/960-mieszko-i-becomes-ruler-of-the-polans)