Musnad Ahmad 30:743

Muhammad ibn Bishr narrated to us, Muhammad ibn ‘Amr narrated to us, Abu Salamah narrated to us, from Abu Hurairah, who said: The Messenger of Allah, peace and blessings of Allah be upon him, said: "Whoever leaves behind wealth, then it is for his family. And whoever leaves behind dependents (or lost ones), then they are to me."