Leviticus 12:8 (KJV)
And if she be not able to bring a lamb then she shall bring two turtles or two young pigeons the one for the burnt offering and the other for a sin offering and the priest shall make an atonement for her and she shall be clean
And if she be not able to bring a lamb then she shall bring two turtles or two young pigeons the one for the burnt offering and the other for a sin offering and the priest shall make an atonement for her and she shall be clean