Alida Zwaal, born circa 1839 (?), died before February 20, 1873, aged at most 34 years.

Alida was married to
Dirk Katoen, born in Harlingen circa 1839, son of Gerlof Alberts Katoen and Hendrika de Jong, stuurman.
Dirk was married afterwards in Harlingen on February 20, 1873, at the age of approximately 34 to Harmke Meintes Tigchelaar (aged 33 years), born in Harlingen on June 2, 1839, daughter of Meinte Heerts Tichelaar (carpenter, timmermansknegt, huistimmerman, meester timmerman and huistimmerknecht) and Mettje Johannes Godthelp (grocer), dressmaker.