Pier Attema, born in Harlingen on July 9, 1889, son of Hendricus Attema (workman, worker, merchant and fishmonger) and Johanna Tigchelaar, fisherman, sailor, transport worker, longshoreman and worker, died in Groningen on February 5, 1951, aged 61 years.

Pier was married in Harlingen on May 8, 1913, at the age of 23 to
Doutje Nielsen (aged 21 years), born in Harlingen on January 2, 1892, daughter of Geert Nielsen (workman) and Catharina Mulder, died in Noord Bergum on March 3, 1973, aged 81 years.