Tracing Douglas family roots - unraveling history, one generation at a time.

| Name | Mieceslaus I Duke of Poland | |
| Birth | Abt 922 | Poznan, Poland |
| Gender | Male | |
| Death | 25 May 992 | |
| Person ID | I110843 | First tree |
| Last Modified | 19 Aug 2013 | |
| Father | Ziemonislaw Duke of Poland d. 964 | |
| Mother | Gorka d. Yes, date unknown | |
| Family ID | F12580 | Group Sheet | Family Chart |
| Family 1 | Dobravy of Bohemia d. Yes, date unknown | |||||
| Children |
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| Family ID | F4981 | Group Sheet | Family Chart | ||||
| Last Modified | 24 Jan 2013 | |||||
| Family 2 | Thyra Haroldsdottir d. 18 Sep 1000 | |||
| Children |
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| Family ID | F5067 | Group Sheet | Family Chart | ||
| Last Modified | 24 Jan 2013 | |||
| Notes |
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| Sources |
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