Plantinga Shop, Dijkstraat 7, Bolsward. This is where Klaas and Ytje Plantinga started in 1870. At the time this picture was taken, the first floor of the house was occupied by their son and daughter in law, Herman and Jet. See the word "Banket" in the shop window of the house on the left? That was the bakery on Dijkstraat 5, where Ytje's aunt and her husband worked, and where Ytje started out as a shop girl.
Below you see what Dijkstraat 7 looked like in 2012.