Mordechai (Marx), Bloch is mentioned 22 times between 1726 and 1740. His designation in the Stühlingen family tree is 'C2.1.4.2.3'. His father was Salomon (Rabbi), Bloch.
Marx was under protection in Horheim from 1730 to 1742. It is likely that Marx was the son of Salomon ben Jacob Bloch since he also was in Horheim like Jakob Bloch. We know nothing else about Marx. By 1743 he had simply moved away [R562; 03.16.1743] without leaving behind any public debts. .