Klaas van der Wal, born in Groningen on July 6, 1886, son of Lodewijk van der Wal (saddler) and Melgje de Groes, shunter, died in Groningen on January 27, 1957, buried there on January 31, 1957, aged 70 years.

Klaas was married in Harlingen on May 16, 1912, at the age of 25 to
Saskje Tigchelaar (aged 22 years), born in Harlingen on January 19, 1890, daughter of Mink Tigchelaar (waggoner's man, dock hand and docker) and Marijke Dijkstra (maid servant), maid servant, died in Winschoten on December 26, 1972, buried in Groningen on December 29, 1972, aged 82 years.