David ben Yom Tov
David ben Yom Tov, also David Bonjorn del Barri, was a Catalan Jewish astronomer and astrologer who lived in the first half of the fourteenth century. He is reported to have been born at Cotlliure in Catalonia in around 1300, and to have died in Barcelona, probably before 1361. In the past some scholars, including the nineteenth century scholar Moritz Steinschneider, have identified ben Yom Tov with the Portuguese Jewish scholar David ben Yom Tov ibn Bilia; this is now considered unlikely. Life Sobrequés estimates that David ben Yom Tov was born at Cotlliure in about 1300. He was also called David Bonjorn, Bonjorn being a literal Catalan translation of the Hebrew Yom Tov, i.e. "good day". His father was Bonjorn del Barri, a wealthy merchant of the province of Roussillon just north of the Pyrenees, which at that time was part of the Catalan Kingdom of Majorca. In 1323 del Barri is recorded as having been granted permission by King Sancho of Majorca to join the council of the Jewish community of Perpignan; and to travel and trade freely throughout the country, without having to wear a yellow badge or any other symbol to mark him out as a