Female Sieuwetje van den Kommer Click to view Sieuwetje van den Kommer in the family tree in SVG format

Sieuwetje's father is Cornelis  Rudolf van den Kommer - (B tak) and her mother is Wilhelmina Hendrica  Claassen.  Her paternal grandparents are Cornelis van den Kommer - B and Sieuwtje  van Twuyver.  She is the youngest of five children.  She has two brothers and two sisters, named Cornelis, Bernardus , Cornelia and Wilhelmina.

Sieuwetje's family with Ceslew Stanislaw Szajner

Ceslew and Sieuwetje are married (further details are not known). They have two sons and three daughters, named Apolonia, Marian, Alexander, Zuzanna and Stefan.