Family with parents
father
Parents
Henricus Franciscus JosephusSijses
Maria Margarethaten Berge
Johannes JacobusSijses
1855–1917
mother
Parents
Harmde Waard
Hemke TammesHoutgast
Gerardinade Waard
1858–1926
elder sister
Family
Heinrich HermannTreu
  • Hermann AndreasTreu
  • Gerardina Grietje“Dinie” Treu
  • Johannes Jacobus“Joop” Treu
Maria Margaretha“Mies” Sijses
1879–1972
elder sister
Family
Hendrikus JohannesPeletier
  • Hendrikus Johannes“Henk” Peletier
  • Johanna Jacoba“Annie” Peletier
  • Gerardina JohannaPeletier
Hemma Gerardina“Emmy” Sijses
1880–1959
elder sister
Family
Frederik“Fre” van Dijk
  • Tjeerco Johanvan Dijk
Henderika“Riek” Sijses
1882–1956
elder sister
Family
Johannes Wichertvan Goozen
  • Johanna Wilhelmina“Minie” van Goozen
  • Johannes Jacobus“Joop” van Goozen
Harmina“(Her)mien” Sijses
1882–1958
elder sister
Family
(none)
Anna CatharinaSijses
1884–1933
elder sister
Family
(none)
NNSijses
1886–1886
elder brother
Family
(none)
Johannes HenricusSijses
1888–1889
herself
Family
Hendrik JohannesSijtsema
  • Private
Gerardina Johanna“Dien” Sijses
1889–1964
younger brother
Family
Maria Anthoniade Ronde
  • Johannes JacobusSijses
  • Anna MariaSijses
  • Gerard PieterSijses
  • Private
  • MarianneSijses
Johannes HenderikusSijses
1894–1954
younger sister
Family
Petrus“Pe” de Vries
  • Private
Helena“Lena” Sijses
1894–1962
younger sister
Family
Dominicus Johan Frans MariaSprock
  • Private
  • Johannes Frans Dominicus“Joop” Sprock
  • Gerardina Johanna“Dinie” Sprock
Margaretha“Greta” Sijses
1895–1971
younger sister
Family
(none)
TammolinaSijses
1897–1897
Family with Hendrik JohannesSijtsema
husband
Parents
Johannes MartensSijtsema
AlberdinaJongbloed
Hendrik JohannesSijtsema
1889–1932
herself
Parents
Johannes JacobusSijses
Gerardinade Waard
Gerardina Johanna“Dien” Sijses
1889–1964
son
Family
(none)
Private
Hendrik JohannesSijtsema + AkkeBijlsma
husband
Parents
Johannes MartensSijtsema
AlberdinaJongbloed
Hendrik JohannesSijtsema
1889–1932
husband’s wife
Parents
(unknown)
AkkeBijlsma
1890–1920
step-son
Family
(none)
Johannes Marten“Joop” Sijtsema