Is this the same person?
Rabbi Jacob ha-Levi Segal, also known as Rabbi Jacob Molin, was born in the city of Mainz in Germany, where his father, Rabbi Moshe Molin, was the spiritual leader of the community. Rabbi Moshe Molin had other sons and daughters, who had distinguished themselves with their piety and learning, but Rabbi Jacob became the most famous of them.
Rabbi Jacob was born in the city of Mainz (Germany), in the year 5120 (1360).
