رَبَّنَا اغْفِرْ لِي وَلِوَالِدَيَّ وَلِلْمُؤْمِنِينَ يَوْمَ يَقُومُ الْحِسَابُ
Rabbanagh-fir li wa li walidayya wa lil-mu'minina yawma yaqumul-hisab
ऐ हमारे रब! हिसाब के दिन मुझे, मेरे वालिदैन को और मोमिनों को बख़्श दे।
Recite for forgiveness of self, parents, and all believers
Prophet Ibrahim (AS) made this comprehensive dua for forgiveness that includes himself, his parents, and all believers.