Rabbi Eliezer Lazi ben Joseph ben Lazi Heilbut (1740 – 1814) served as a dayan in Posen, then as Rosh Beth Din (Chief Justice) of the AHU (an acronym for the threesome kehilla of Altona, Hamburg, and Wandsbek). He was the author of Mishnas DeRebbi Eliezer (Hebrew: משנת דרבי אליעזר).