Family name Radziwiłłowa (Radziwiłłowa, Радзивилл 
) , across the world, is a rare surname. The surname Radziwiłłowa is characteristic of Lithuania, where it is a rare surname, Belarus, where it is a very rare surname, and Russia.
| VARIANT | COUNTRY |
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| Радзивилл | Kazakhstan, Russia, Lithuania, Belarus |
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tekla anna radziwiłłowa (1608-1638), PL (b. 1608) |
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franciszka urszula radziwiłłowa Polish-Lithuanian noble, UA (b. 1705) |
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maria karolina radziwiłłowa Polish noble, PL (b. 1730) |
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maria z gawdzickich radziwiłłowa Polish actress, PL (b. 1746) |
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aleksandra radziwiłłowa painter (1796-1864) (b. 1796) |
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katarzyna radziwiłłowa Polish noble, RU (b. 1858) |
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maria róża radziwiłłowa (1863-1941) Polish princess, FR (b. 1863) |
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| maria radziwiłłowa PL (b. 1860) |
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| izabella róża radziwiłłowa (1888-1968), PL (b. 1888) |
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| izabella radziwiłłowa Polish Righteous Among the Nations, PL (b. 1914) |
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| marta radziwiłłowa |
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