kingma's heritage Web Site
People: Nanet Nicol, Petrus Adrianus Wester, Jan Yntes Kingma and 5 others.
Hiddink-werk Web Site
People: Jelle Jippes Hoekstra, Andries Jippes Hoekstra, Froukje Jippes Hoekstra and 23 others.
de vries Web Site
People: Sikke Jochums van der Woude, Janke Douwes, Jan Pals Kingma and 7 others.
GenealogieOnline slektstre indeks
People: Tjimkje Hoekstra Klazes, Rommert Klazes Hoekstra, Sikke Klazes Hoekstra and 34 others.
FamilySearch Stamboom
People: Lieuwe Klazes Kramer, Janna Lieuwes Kramer, Klaas Lieuwes Kramer and 1714 others.
Nederlandse begrafenisrecords
People: Janna Lieuwes Kramer, Klaas Jippes Hoekstra, Sijbren Hoekstra and 115 others.
3v9e2s_80139298b6...
People: Lieuwe Gerben Kramer, Ate Karsten Kleisma Karsten, Jantje Sikkes van der Woude and 395 others.