Alfonso X and the Siete Partidas: Shaping Jewish Life in Castile

Alfonso X of Castile oversaw the crafting of an all-encompassing work of law known as the Siete Partidas (“Seven Parts”), which envisioned a unified and orderly kingdom. While his father Fernando III worked hard to conquer new land, it was up to Alfonso X to shape that newly expanded territory into a unified kingdom. He envisioned a law code that would encompass every aspect of life in his kingdom, and he hoped this would allow for the diverse cities and towns of his newly expanded reign to be ruled harmoniously. He chose to write this code in the Castilian vernacular, allowing all members of the kingdom to access the law. Alfonso also sought to elevate his national language of Castilian into a language of culture. This shift to vernacular allowed Jews and Muslims to participate in this endeavor. Alfonso was colloquially known as El Sabio (“the Wise”) because of his deep scholarly interests. He employed Jewish scholars to translate Arabic works of philosophy and science into Castilian. One can see his erudition in the historical framing of these laws.