It is a beautiful act of loyalty and faith to remember a loved one in your supplications, even years after their passing. The Prophet Muhammad (ﷺ) taught that after a person dies, their deeds end except for three, one of which is a righteous child who prays for them. The Most Comprehensive Dua (Sunnah)Recite this after salah or during community events.Note: The full Arabic, transliteration, and translation of the comprehensive Sunnah Dua can be found in the referenced web document."O Allah, forgive him and have mercy on him, and give him strength and pardon him... Take him into Paradise, and protect him from the punishment of the grave [and from the punishment of Hell-fire].