On the day of the battle of Uhud the Prophet ﷺ mentioned for me both his parents (i.e. saying, "Let my parents be sacrificed for you."). (Using translation from Bukhārī 3725)
سَمِعْتُ سَعْدًا يَقُولُ جَمَعَ لِي رَسُولُ اللهِ ﷺ أَبَوَيْهِ يَوْمَ أُحُدٍ