Hadith 6:1048
Waki’ narrated to us, from Isra’il, from Dirar ibn Murrah, from Sa’id ibn Jubayr, who said: A Christian man died and he had a Muslim son, so he did not follow his funeral procession. Ibn Abbas said: It was befitting for him to follow his funeral procession, bury him, and seek forgiveness for him during his lifetime.
حدثنا وكيع عن إسرائيل عن ضرار بن مرة عن سعيد بن جبير قال مات رجل نصراني وله بن مسلم فلم يتبعه فقال بن عباس كان ينبغي له أن يتبعه ويدفنه ويستغفر له في حياته