Mozes Abraham Roos was married to Anna van Leer. The couple had three sons: Leman, known as Leo, Abraham, known as Bram, and Hein Mozes, also known as Broertje. The family lived at 54 Ezingerweg in Meppel, next to the Van der Sluis Jewish export butcher, where Mozes Abraham Roos worked as a butcher.
His son Hein Mozes was a clerk at Spijkerman's grocery shop on the Gasgracht. Leman was a coppersm…