Tjitske Smidstra, born in Burgwerd on May 14, 1893, daughter of Eeltje Tjerks Smidstra (farmer's hand and worker) and Sjoerdtje de Jong (maid servant).

Tjitske was married in Franeker on May 14, 1914, at the age of 21 to
Dirk Tamminga (aged 23 years), born in Franeker on April 11, 1891, son of Jacob Tamminga (merchant) and Beike van den Berg, merchant.