Duifje Peper was a daughter of Salomon Peper and Betje van Hessen. 20 June 1900 she married in Haarlem her cousin Simon Gaarkeuken, a son of Magiel Gaarkeuken and Grietje van Hessen. The couple had two children, namely Elisabeth in 1901, who died however as a baby of ten months old in 1901, and their son Michiel Simon, born in 1903.
Duifje's husband Simon Gaarkeuken passed away in Haarlem 3 March …