Petrus Cornelis van Gaart was born 1863 in Haarlem, North Holland, Netherlands to Johannes Bartholomeus van Gaart (1825-1893) and Maria Helena Rooijers (1824-1903) and died 18 June 1949 Heemstede, North Holland, Netherlands of unspecified causes. He married Helena Cornelia Paulen (c1868-1948) 18 September 1890 in Haarlem, North Holland, Netherlands.
|Offspring of Petrus Cornelis van Gaart and Helena Cornelia Paulen (c1868-1948)|
|Maria Helena van Gaart (c1892-1911)|
|Petrus Cornelis van Gaart (1894-1945)|