Costache Iarca was born 1819 in Râmnicu Sărat, Buzău County, Romania to Gheorghe Iarca (1770-1820) and Ruxandra Arabol (1783-1866) and died 1901 Buzău, Buzău County, Romania of unspecified causes. He married Irina Cațacal (c1823-c1880) 1852 .
|Ștefan Iarca (c1800-c1865)||1800||1865|
|Pavel Iarca (c1805-c1870)||1805||1870|
|Neculai Iarca (c1810-c1880)||1810||1880|
|Eveline Iarca (c1815-c1885)||1815||1885|
|Costache Iarca (1819-1901)||1819 Râmnicu Sărat, Buzău County, Romania||1901 Buzău, Buzău County, Romania||Irina Cațacal (c1823-c1880)|