Their mother , Minnie SchÃ nberg , was from Dornum in East Frisia , and their father Simon Marrix ( whose name was changed to Sam Marx , and who was nicknamed `` Frenchy '' ) was a native of Alsace , now part of France , and worked as a tailor . Their mother , Minnie SchÃ nberg , was from Dornum in East Frisia ; and their father , Simon Marx ( whose name was changed to Samuel Marx , and who was nicknamed `` Frenchy '' ) was a native of Alsace and worked as a tailor .