Later he went to Posen, where he remained for several years, and at about 1641 he became rabbi of the old community of Ostrog, or Ostroh, in Volhynia.
Later he went to Posen. He remained for several years. He became rabbi of the old community of Ostrog in Volhynia. This was at about 1641. He became rabbi of Ostroh, in Volhynia. This was at about 1641.