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

| Name | Konstanty Mikolaj (Prince) Radziwill | |
| Birth | 5 Apr 1793 | Roma |
| Gender | Male | |
| Death | 6 Apr 1869 | Poloneczka |
| Person ID | I174462 | First tree |
| Last Modified | 17 Nov 2020 | |
| Father | Maciej (Prince) Radziwill, b. 10 Nov 1749 d. 2 Sep 1800 (Age 50 years) | |
| Mother | Elzbieta Chodkiewiczówna d. Yes, date unknown | |
| Family ID | F70172 | Group Sheet | Family Chart |
| Family | Adela Karnicka, b. 2 Mar 1811 d. 3 Jan 1883 (Age 71 years) | |||
| Marriage | 1840 | |||
| Children |
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| Family ID | F70170 | Group Sheet | Family Chart | ||
| Last Modified | 24 Jan 2013 | |||
| Sources |
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