Does a wife remain Mahram for her husband after her death? Can a husband personally bury his wife in the grave?

WifeHusbandDeathGraveMahramBurial
Does a wife remain Mahram for her husband after her death? Can a husband personally bury his wife in the grave?
Zaid Alsalami, Shaykh Dr Zaid Alsalami is an Iraqi born scholar, raised in Australia. He obtained a BA from Al-Mustafa University, Qom, and an MA from the Islamic College in London. He also obtained a PhD from... Answered 9 months ago

Bismihi ta'ala

Yes, and spouse has preference in burial procedures of passed away spouse.

And Allah knows best.