| Male Duke of Poland Mieczislaw Wrymouth, I |
| Birth | 922 | Poznan, Poland |
| Death | 25 May 992 | |
| Burial | ||
| Marriage | ||
| Other Spouse | Thyra Haraldsdottir | F639 | |
| Marriage | ||
| Father | Duke of Poland Ziemonislaw Wrymouth | F701 Group Sheet | |
| Mother | Gorka | F701 Group Sheet | |
| Female + Gunhilda, of Poland |
| Birth | ||
| Death | ||
| Burial | ||
| Spouse | King of England Sveyn Haraldsson, I | F1837 | |
| Marriage | 990 | |