King James Version
Moreover also I gave them my sabbaths, to be a sign between me and them, that they might know that I am the LORD that sanctify them.English Standard Version
Moreover, I gave them my Sabbaths, as a sign between me and them, that they might know that I am the LORD who sanctifies them.New International Version
Also I gave them my Sabbaths as a sign between us, so they would know that I the LORD made them holy.