| | Constantine Nikolaievitch Romanov 1827–1892 Elizabeth Alexandra of Saxe-Altenburg 1830–1911 | | | | NicholasI Romanov 1796–1855 Charlotte of Prussia 1798–1860 | | | | Maria Fedorovna of Wurttemberg 1759–1828 | | |
| | | Frederick WilliamIII Hohenzollern 1770–1840 Louise of Mecklenburg-Strelitz 1776–1810 | | |
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| | | Joseph of Saxe-Altenburg …–1868 Amalie of Wurttemberg …–1848 | | | | Ludwig of Wurttemberg …–… Henriette of Nassau-Weilb …–… | | |
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