Tjeerd Martinus de Graaf

Tjeerd married Minke van der Laan, daughter of Johannes Freerks van der Laan and Sjoukjen Wopkes Veenstra, on 13 May 1899 in Smallingerland Friesland Netherlands. (Minke van der Laan was born on 13 Oct 1873 in Boornbergum (Boarnburgum) Smallingerland Friesland Netherlands and died on 26 Dec 1906 in Smallingerland Friesland Netherlands.)