From Sahih Bukhari (Hadith 5979):
Narrated Asma':"My mother who was a Mushrikah (pagan, etc.), came with her father during the period of peace pact between the Muslims and the Quraish infidels. I went to seek the advice of the Prophet (ﷺ) saying, "My mother has arrived and she is hoping (for my favor)." The Prophet (ﷺ) said, "Yes, be good to your mother
Reference: Bukhari 5979