Leviticus 21:1-2

DouayRheims(i) 1 The Lord said also to Moses: Speak to the priests the sons of Aaron, and thou shalt say for them: Let not a priest incur an uncleanness at the death of his citizens. 2 But only for his kin, such as are near in blood: that is to say, for his father and for his mother, and for his son, and for his daughter, for his brother also: