Is it permissible for a man to lower a woman who is not one of his mahram (relatives one may not marry) into her grave?

Question:
This questioner says: It is my habit to be in the cemetery after the 'Asr prayer to help those who lower the deceased into their graves. He says: Sometimes, Honorable Shaykh, I lower a deceased woman who is not one of my mahram (relatives one may not marry). Is that permissible?

Answer:
There is nothing wrong with it; it is permissible for a man who is not one of her mahram (relatives one may not marry) to lower a deceased woman into her grave. One of the Companions lowered Zaynab, the daughter of the Messenger (peace and blessings be upon him), into her grave, and he was not one of her mahram (relatives one may not marry). I think it was Abu Salama (may Allah be pleased with him). The Prophet (peace and blessings be upon him) ordered him to do so and approved of it. Yes.