Complex sentence: He studied in the Bet El yeshiva in the old city of Jerusalem, well known for the study of kabbalah; and in 1909, he moved to the newly founded "Shoshanim leDavid" yeshiva.
Split into simpler sentences: He studied in the Bet El yeshiva in the Old City of Jerusalem, well known for the study of kabbalah. In 1909 he moved to the newly founded "Shoshanim leDavid" yeshiva.