Meijer Swart, a peddler and the seventh child of Nathan Swart and Johanna Groen, married Louisa Kleerekoper, daughter of Israël Kleerekopmer and Judith Vleeschdrager, in Amsterdam on 20 December 1911.
The couple did not have any children.
A copy remains of the marriage certificate of Meijer Swart and Louisa Kleerekoper.