Leviticus 21:15-17

Young's Literal Translation

¹⁵ and he doth not pollute his seed among his people; for I [am] Jehovah, sanctifying him.'

¹⁶ And Jehovah speaketh unto Moses, saying,

¹⁷ `Speak unto Aaron, saying, No man of thy seed to their generations in whom there is blemish doth draw near to bring near the bread of his God,