┌── Salomon Imanuel Abas (1682 - Monday 08 April 1720 Amsterdam, Noord-Holland, Nederland) =>

               ┌── Jacob Abraham Abas (1696 Amsterdam, Noord-Holland, Nederland - Date unknown)

               │     └── Ribca Aron Curiel (1673 - Wednesday 14 July 1717 Amsterdam, Noord-Holland, Nederland) =>

         ┌── Salomon Jacob Abas (Amsterdam, Noord-Holland, Nederland;1726 - Monday 14 December 1807)

         │     └── Roosje Nathan (Amsterdam, Noord-Holland, Nederland;1700 - Date unknown)

   ┌── Nathan Salomon Pinchas Abas (Amsterdam, Noord-Holland, Nederland;1770 - Monday 19 May 1823)

   │     └── Anna Samson Levie (Amsterdam, Noord-Holland, Nederland;1731 - Monday 04 March 1805)

Pinas Nathan Abas (1796 Amsterdam, Noord-Holland, Nederland - Thursday 03 March 1859 Rotterdam, Zuid-Holland, Nederland)

   │           ┌── Philip Moses Swijtser (1710 Kassel, Hessen, Deutschland - Date unknown)

   │     ┌── Mozes Philip Swijts (1736 Amsterdam, Noord-Holland, Nederland - Date unknown)

   │     │     └── Engeltje Salomons (1712 Amsterdam, Noord-Holland, Nederland - Date unknown)

   └── Schoontje Mozes Swijts (Amsterdam, Noord-Holland, Nederland;1774 - Sunday 09 July 1820)

         └── Willemijntje Juda (1740 Amsterdam, Noord-Holland, Nederland - Date unknown)