Al-Kāfi - The Book of Testimony

Al-Kāfi - The Book of Testimony Chapter: Testimony of a Father for his Son or a Son’s Testimony for his Father and Testimony of a brother for his Brother َّدُ بْنُ يَحْيَى عَنْ أَحْ٠َحْبُوبٍ عَنْ هِشَا٠َرْوَانَ قَالَ سَأَلْتُ أَبَا عَبْدِ اللهِ (عَلَيْهِ السَّلا٠) أَوْ قَالَ سَأَلَهُ بَعْضُ أَصْحَابِنَا عَنِ الرَّجُلِ يَشْهَدُ لأبِيهِ أَوِ الأبِ يَشْهَدُ لابْنِهِ أَوِ الأخِ لأخِيهِ قَالَ لا بَأْسَ بِذَلِكَ إِذَا كَانَ خَيِّراً جَازَتْ شَهَادَتُهُ لأبِيهِ وَالأبِ لابْنِهِ وَالأخِ لأخِيهِ.

His testimony is permissible for his father as is the case with a father’s testimony for his son or a brother’s testimony for his brother.’” صحيح - Allamah Baqir al-Majlisi (Mirʾāt al-ʿUqūl fī Sharḥ Akhbār Āl al-Rasūl (4/244))