Sietsche Ates, born circa 1761 (?), died before January 27, 1812, aged at most 51 years.

Sietsche was married to
Mient Wandelaar, born circa 1757 (?), merchant, died after January 27, 1812, aged at least 55 years.

• 1 : Trijntje Mients Wandelaar, born in Ferwerd on September 11, 1784, christened there on October 24, 1784, died in Warga on January 25, 1812, aged 27 years.
  Trijntje was married in Wartena on February 3, 1811 in church, at the age of 26 to Pieter Wybes Feenstra (aged 37 years), born in Wartena on June 7, 1773, christened there on July 4, 1773, son of Wybe Baukes and Gerlske Ottes, merchant, Rijksontvanger, merchant, merchant and merchant, died in Warga on December 4, 1848, aged 75 years.
  Pieter was married afterwards in Idaarderadeel on August 7, 1822, at the age of 49 to Lutske Wynius (aged approximately 38 years), born in Bergum circa 1784, daughter of Nanning Wynius and Baukje Rimmerts Douma, died in Warga on December 1, 1855, aged approximately 71 years. Lutske was married before before 1809 in church, at the age of at most 25 to Jan Oosterhuis (aged at most 70 years), born circa 1739 (?), died in Visvliet on October 30, 1809, aged approximately 70 years.