Forgiveness for your parents and all muslims
Surah Ibraheem - 14:41
رَبَّنَا اغْفِرْ لِي وَلِوَالِدَيَّ وَلِلْمُؤْمِنِينَ يَوْمَ يَقُومُ الْحِسَابُ
O our Lord! Cover (us) with Thy Forgiveness - me, my parents, and (all) Believers, on the Day that the Reckoning will be established!