Leviticus 21:15

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

Leviticus 21:15 Meaning and Commentary

Leviticus 21:15

Neither shall he profane his seed among his people
By marrying any such persons, whereby his children, born of them, would lie under disgrace, and be unfit to succeed him in the priesthood, or by marrying among mean persons, or by marrying them to such as were unlawful, and would be a disparagement to them:

for I the Lord do sanctify him;
separate him from all others, to the high and sacred office of the high priesthood, and am concerned for his honour and holiness; and therefore it became him to observe these laws and rules, and abstain from such disagreeable marriages.

Leviticus 21:15 In-Context

13 `And he taketh a wife in her virginity;
14 widow, or cast out, or polluted one -- a harlot -- these he doth not take, but a virgin of his own people he doth take [for] a wife,
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,
Young's Literal Translation is in the public domain.