Ruurd Jans Elzinga, born in Wartena on January 24, 1850, son of Jan Boukes Elzinga and Berendtje Ruurds Knijpstra, worker, died in Wartena on July 5, 1927, aged 77 years.

Ruurd was married in Idaarderadeel on May 11, 1876, at the age of 26 (1) to
Antje Halbes Feenstra (aged 23 years), born in Wartena on October 9, 1852, daughter of Halbe Wybes Feenstra (shoemaker) and Aurelia Rienks van Keimpema, died in Wartena on June 7, 1877, aged 24 years.

• 1 : Halbe Ruurds Elsenga, born in Wartena on March 12, 1877, died there on December 3, 1919, aged 42 years.
  Halbe was married in Idaarderadeel on September 14, 1899, at the age of 22 to Grietje Kampen (aged 24 years), born in Wartena on July 11, 1875, daughter of Herre Kampen (worker) and Harmke Herres Boersma.
  

Ruurd was married in Idaarderadeel on July 3, 1886, at the age of 36 (2) to
Kunne Gosses Hiemstra (aged 30 years), born in Tietjerk on November 10, 1855, daughter of Gosse Sijtzes Hiemstra (worker) and Stijntje Pieters de Bruin, maid servant.