What is the ruling on one who took money from a person while he was young and wants to return it to its owner?

Question : The questioner says: When I was young, I took money from a woman, and when I grew up, I remembered it. What must I do, knowing that I do not know the amount of that money? Please guide us, may Allah reward you with good?

Answer : If the woman is still alive, or if her heirs are present, and the questioner knows them, then she is required to inform them of this money. As for if she is unknown, or if she does not know where she went, or does not know whether she is alive or dead, or does not know who her heirs are, then she gives it in charity on her behalf, and Allah, Glorified and Exalted is He, knows her and will deliver her right to her. And if she does not know how much she took, then she estimates and gives what she believes to be most likely the amount she took, and .