Mina Boonstra, born in Harlingen on July 2, 1899, daughter of Sije Boonstra (bloatercurer, dock hand, docker and transport worker) and Grietje Tigchelaar (maid servant), pensionhoudster, died in Amsterdam on April 11, 1977, aged 77 years.

Mina was married in Amsterdam on March 1, 1923, at the age of 23 to
Johannes Bruijntjes (aged 31 years), born in Amsterdam on February 14, 1892, son of Johannes Bruijntjes and Johanna Maria Wilhelmina Wiesener, driver and chauffeur expeditiebedrijf, died in Amsterdam on August 17, 1968, aged 76 years.