Sa'id bin 'Amir al-Dab'ai سعيد بن عامر الضبعي · The Book of Funerals

"Many people were wounded on the day of Uhud and complaints were made to the Messenger of Allah about that. He said: 'Dig graves and make them good and wide, and bury two or three in a grave, and put in first the one who knew the Qur'an most."'