│          │ +
Johannes Blaak

(Yes, date unknown - Yes, date unknown)
                   │          │ +
Jan Pijpker

(03 Sep 1896 Emmer-Compascuum, Emmen, Drenthe, Nederland - Yes, date unknown)
                   │          │ +
Ema Langius

(1906 Hamburg, Deutschland - Yes, date unknown)
                   │          │ +
Enne Huizinga

(21 Oct 1902 Borger, Drenthe, Nederland - 1981 Hengelo, Overijssel, Nederland)
                   │          ├─ Grietje Catharina Drenth

(03 Jul 1906 Nieuw-Weerdinge, Emmen, Drenthe, Nederland -
                   │          │ 24 Aug 1906 Groningen, Groningen, Nederland)
                   │           +
Annegien Reinhold

(1910 Emmen, Drenthe, Nederland - Yes, date unknown)