Wubbina Engellina Johanna Petronella Swalve was born about 3 a.m. the 25th of October 1879 to Freerk Belinga Swalve and Helena Catrina Koster in a house at the bakery on Breestraat in Beverwijk, North Holland, according to a birth certificate scan on FamilySearch.org.
Wubbina had one sibling who lived to adulthood, Anthonie Johannes Swalve, who was her older half brother or brother and later an amateur photographer. She also had a sister, Lucretia Anna Swalve, who died very young.
Two years later, she gave birth to a daughter, Helena de Wit.
Wubbina was widowed in 1926 at which point she went into seclusion.
She died in March 1959. She was 79 years old.