al-Hakam bin 'Utayba الحكم بن عتيبة · The Book on Jana''iz (Funerals)

from his father who said: "When the Messenger of Allah would perform the Salat for the funeral he would said: (Allahammaghfir li-hayyina wa mayyittina, wa shahidina wa gha'ibina, wa saghirina wa kabirina, wa dhakarina wa unthana) 'O Allah! Forgive our living and our deceased, our present and our absent, our young and our old, our male and our female.'"