Jilling married Gelske van der Velde on 19 May 1888 in Leek, Groningen, Nederland. Gelske (daughter of Durk Andries van der Velde and Antje Salomons de Jong) was born on 12 July 1866 in Ureterp, Opsterland, Friesland, Nederland; died on 13 September 1929 in Tolbert, Leek, Groningen, Nederland. [Group Sheet] [Family Chart]

1. Antje Sappema was born on 15 July 1888 in Leek, Groningen, Nederland; died in Date unknown.
2. Froukje Sappema was born on 12 August 1890 in Tolbert, Leek, Groningen, Nederland; died on 28 December 1961 in Groningen, Groningen, Nederland.
3. Derkje Sappema was born on 29 July 1892 in Tolbert, Leek, Groningen, Nederland; died in Date unknown.
4. Marten Sappema was born on 08 September 1894 in Tolbert, Leek, Groningen, Nederland; died in Date unknown.
5. Derk Sappema was born on 25 March 1897 in Tolbert, Leek, Groningen, Nederland; died on 05 October 1935 in Leek, Groningen, Nederland.
6. Jilling Sappema was born on 06 October 1899 in Tolbert, Leek, Groningen, Nederland; died in Date unknown.
7. NN Sappema was born on 01 June 1902 in Tolbert, Leek, Groningen, Nederland; died on 01 June 1902 in Tolbert, Leek, Groningen, Nederland.
8. Jantje Sappema was born on 23 December 1903 in Tolbert, Leek, Groningen, Nederland; died in Date unknown.
9. Andries Sappema was born on 19 March 1905 in Tolbert, Leek, Groningen, Nederland; died in Date unknown.

Marten + Antje van der Velde. Antje was born in Date unknown; died in Date unknown. [Group Sheet] [Family Chart]