Judah ben Samuel Rosanes (1657-1727) was Rabbi

Rabbi

In Judaism, a rabbi is a teacher of Torah. This title derives from the Hebrew word רבי , meaning "My Master" , which is the way a student would address a master of Torah...

 of Constantinople

Constantinople

Constantinople was the capital of the Roman, Eastern Roman, Byzantine, Latin, and Ottoman Empires. Throughout most of the Middle Ages, Constantinople was Europe's largest and wealthiest city.-Names:...

 and son-in-law of Abraham Rosanes I. His teachers in Talmud

Talmud

The Talmud is a central text of mainstream Judaism. It takes the form of a record of rabbinic discussions pertaining to Jewish law, ethics, philosophy, customs and history....

 and rabbinics were Samuel ha-Levi and Joseph di Trani. On account of his knowledge of Arabic

Arabic language

Arabic is a name applied to the descendants of the Classical Arabic language of the 6th century AD, used most prominently in the Quran, the Islamic Holy Book...

 and Turkish

Turkish language

Turkish is a language spoken as a native language by over 83 million people worldwide, making it the most commonly spoken of the Turkic languages. Its speakers are located predominantly in Turkey and Northern Cyprus with smaller groups in Iraq, Greece, Bulgaria, the Republic of Macedonia, Kosovo,...

 he was appointed by the government as chief rabbi ("hakam bashi") of the Ottoman empire

Ottoman Empire

The Ottoman EmpireIt was usually referred to as the "Ottoman Empire", the "Turkish Empire", the "Ottoman Caliphate" or more commonly "Turkey" by its contemporaries...

. He died at an advanced age in Constantinople on April 13, 1727;

Judah took a very active part in condemning and denouncing the Shabbethaians, and he was one of the signers of an appeal to the German communities to oppose the movement (comp. Jacob Emden

Jacob Emden

Jacob Emden also known as Ya'avetz, , was a leading German rabbi and talmudist who championed Orthodox Judaism in the face of the growing influence of the Sabbatean movement...

, Torat ha-Ḳena'ot, Lemberg, 1870). He wrote:

• Parashat Derakim (Constantinople, 1727), a work containing twenty-six homiletic treatises on various subjects.
• A pamphlet entitled Derek Miẓwoteka, a treatise on the 613 commandments, based on the treatises on the same subject by Maimonides
  Maimonides
  Moses ben-Maimon, called Maimonides and also known as Mūsā ibn Maymūn in Arabic, or Rambam , was a preeminent medieval Jewish philosopher and one of the greatest Torah scholars and physicians of the Middle Ages...
  
   and others.
• Mishneh la-Melek (ib. 1731), glosses and comments on Maimonides' Yad ha-Ḥazaḳah; later it was printed together with the Yad (Jessnitz, 1739-1740).

This work and others were edited & published by his devoted pupil Rabbi Yaakov Culi

Yaakov Culi

Rabbi Yaakov Culi was a Talmudist and Biblical commentator of the seventeenth and eighteenth centuries who died in Constantinople on August 9, 1732. He belonged to an exiled Spanish family, and was the grandson and pupil of Moses ibn Habib. He edited various important works. The first fruit of his...

.

Several works bear approbations ("haskamot") by Judah Rosanes, among others Joseph Almosnino

Joseph Almosnino

Joseph Almosnino was the son of Isaac and grandson of Moses ben Baruch Almosnino. He was rabbi at Belgrade, and author of numerous responsa, collected by his son Isaac under the title Edut bi-Yehosef and published at Constantinople, 1711-33.Joseph died at Nikolsburg, Moravia, in 1689.-...

's Edut bi-Yehosef.