Leviticus 21:15-17

¹⁵meddle he not the generation of his kin to the common people of his folk, for I am the Lord, that halloweth him. (and so he shall not mix together, or dishonour, any of the generation of his kin among the common people, for I am the Lord, who maketh him holy.)

¹⁶And the Lord spake to Moses, and said,

¹⁷Speak thou to Aaron; a man of thy seed, by families, that hath a wem, that is, a notable foulness, shall not offer bread to his God, (Say thou to Aaron, A man of thy seed, among thy families, who hath a blemish, that is, a notable foulness, shall not offer the bread, or the loaves, to his God,)