Male Cornelis  Rudolf van den Kommer - (B tak) Click to view Cornelis  Rudolf van den Kommer - (B tak) in the family tree in SVG format

Cornelis 's father is Cornelis van den Kommer - B and his mother is Sieuwtje  van Twuyver.  His paternal grandparents were Cornelis van den Kommer - B and Durkje de Jong.  He is the second of seven children.  He has a brother and five sisters, named Pieter , Dirkje, Guurtje, Grietje, Pietertje and Sieuwetje.

Cornelis 's family with Wilhelmina Hendrica  Claassen

Cornelis and Wilhelmina are married (further details are not known). They have two sons and three daughters, named Cornelis, Cornelia, Bernardus , Wilhelmina and Sieuwetje.