O Allah, forgive him, raise his rank among the rightly guided, be his successor — Death & Funerals
اللَّهُمَّ اغْفِرْ لَهُ وَارْفَعْ دَرَجَتَهُ فِي الْمَهْدِيِّينَ وَاخْلُفْهُ فِي عَقِبِهِ فِي الْغَابِرِينَ وَاغْفِرْ لَنَا وَلَهُ يَا رَبَّ الْعَالَمِينَ
Transliteration: Allaahummagh-fir lahu warfa' darajatahu fil-mahdiyyeen wakhlufhu fee 'aqibihi fil-ghaabireen waghfir lanaa wa lahu yaa rabbal-'aalameen
Translation: O Allah, forgive him, raise his rank among the rightly guided, be his successor among his descendants, forgive us and him, O Lord of the worlds.
Reference: Muslim 2:634