Marcus is een zoon van Filip Groen (A'dam, 2 maart 1847) en Klaartje Schraal (A'dam, 10 maart 1852). Hij trouwde 16 augustus 1911 met Vogeltje Rozette (A'dam, 20 januari 1888).
Kinderen
Maurits, 2 februari 1913
Philip, 16 septemer 1916
Bron SAA archiefkaat Marcus Groen 4-12-1887
We have been unable to determine whether one or more members of this family survived the war. While their names do not appear on the lists of survivors, we have not been able to trace them in In Memoriam either. They are therefore labeled as 'surviving' and their names are not listed.