Isaac Jabez

He was the son-in-law of the Kabbalist Rabbi Yehosef ibn Shraga of Padua, from whom he also learned Torah.

[3] His grandson, also called Rabbi Isaac Jabez, wrote about him in his book "Hasdei Avot."

[5] It is written: "Also the artisan brothers... Solomon... and the dear Rabbi Joseph Jabez... At the beginning of the work, their old father was still alive...

Rabbi Isaac Jabez ... was the father of every master who polishes an iron and lead pen and he stands over them in his great wisdom and understanding, his art and his faith, he was also the corrector and proofreader of all of this work."

[6] Rabbi Solomon's son, Rabbi Isaac Jabez, authored the books: "Chasdei Avot" (Constantinople 5343) which is a commentary on Pirkei Avot; "Yafek Ratzon (Constantinople 5353), which is a commentary on the Haftara according to both the Sephardi and Ashkenazi tradition; "Torat Chesed"[7] (Belvedere, 5354) which is a commentary on the Five Megillot, Psalms, Book of Ruth and Book of Job.