Forgiveness for your siblings - 1

رَبِّ اغْفِرْ لِي وَلِأَخِي وَأَدْخِلْنَا فِي رَحْمَتِكَ ۖ وَأَنْتَ أَرْحَمُ الرَّاحِمِينَ

O my Lord! Forgive me and my brother, and make us enter into Your Mercy, for you are the Most Merciful of those who show mercy. Surah Al-A'raf - 7:151

Forgiveness for your siblings - 2

رَبِّ اغْفِرْ لِي وَلِأَخِي وَأَدْخِلْنَا فِي رَحْمَتِكَ ۖ وَأَنْتَ أَرْحَمُ الرَّاحِمِينَ

O my Lord! Forgive me and my brother, and make us enter into Your Mercy, for you are the Most Merciful of those who show mercy. Surah Al-A'raf - 7:151