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Smaranda Lazu was born circa 1810 to Costache Lazu (c1770-c1840) and Anastasia Rosetti-Roznovanu (c1780-1838) and died circa 1865 of unspecified causes. She married Petrache Rosetti () 1821 .
Children
| Offspring of Smaranda Lazu and Petrache Rosetti () | |||
| Name | Birth | Death | Joined with |
| Profira Rosetti-Bălănescu (1822-1913) | |||
| Neculai Rosetti-Bălănescu (1827-1884) | |||
| Offspring of Smaranda Lazu and Iordache Emandi (c1794-c1860) | |||
| Name | Birth | Death | Joined with |
| Elena Emandi (c1835-c1874) | 1835 | 1900 | Iordache Jurgea-Negrilești (c1825-c1890) |
| Iordache (George) Emandi (1837-c1905) | 1837 | 1905 | Ecaterina Donici (c1848-c1920) |
