He is married to IJke de Gier.
They got married on February 21, 1723 at Gameren, he was 35 years old.Source 1
Kinderen:
# enneke de swart 1724
# arie de swart 1726-1777
# gijsbert de swart 1728-1729
# gijsbert de swart 1731-ca 1780
# gijsbertje de swart 1734
# grietje de swart 1737
Child(ren):
Broers en zusters:
* jan de swart 1688-1757
* cornelis de swart 1690
* cornelis gijsbertse de swart 1690-1732
* arien de swart 1692
* hendrikske de swart 1696
* jenneke de swart 1702
http://gw5.geneanet.org/index.php3?b=vanwijnen28⟨=nl;pz=ronald+cornelis;nz=van+wijnen;ocz=0;p=ijke;n=de+gier