• Johann Ferdinand Albert Laabs1872
  • Max Alfred Albert Laabs(1875–1951)
  • Johannes Friedrich Wilhelm Laabs(1873–)
  • Margarete Anna Laabs(–)
  • Alfred Richard Wilhelm Laabs(–)
  • Ferdinand Richard Laabs(–)
  • Else Toni Laabs(–)
  • Emma Else Gertrud Laabs(–)
  • Frieda Anna Eleanor Laabs(–)