The reading of a Ketubah on Shavuot is a custom only of Sephardic Jews. The Ashkenazim read Akdamut. There are at least four different Hebrew versions of the Ketubbah for Shavu'ot. The first and most widely accepted one was written by R. Israel ben Moses Najara of Damascus; one was written by Joseph Almosnino, a late seventeenth-century rabbi of Belgrade; one was written by the Sephardic scholar R. Saadiah ben Joseph and one was written by R. David Pardo. The only Ladino version was written by R. Judah bar Leon Kalai and is an original creation, not a translation of any of the known Hebrew version.