Family with parents
father Parents Hermann AndreasTreu GrietjeLijsting	Heinrich HermannTreu 1875–1924
mother Parents Johannes JacobusSijses Gerardinade Waard	Maria Margaretha“Mies” Sijses 1879–1972
himself Family Sussana Margaretha GeertruidaDijkman Private Private Erlfried Bodo Willibrord Maria“Bodo” Treu Private	Hermann AndreasTreu 1907–1999
younger sister Family (none)	Gerardina Grietje“Dinie” Treu