Jan Folkerts Folkertsma (1865- ) |
Tjitske Jacobus van Beemen (1863- ) |
Hiltje Jans Folkertsma (1887-1926) |
Folkert Jans Folkertsma (1888- ) |
Jacobus Jans Folkertsma (1890- ) |
Saakje Jans Folkertsma (1896-1896) |
Jacobus Daniel Folkertsma (1898- ) |
Gosse Tjeerds Smeding (1891- ) |
Grietje Jans Folkertsma (1893- ) |