How is the money inherited from the grandmother (the father's sister) distributed, given that she, in turn, inherited it from her husband (the questioner's maternal grandfather), knowing that the grandmother has one living sister and two deceased brothers, one of whom is the questioner's father, and do her grandchildren from her daughters and their paternal aunts inherit?

Your aunt's inherited one-eighth share, along with all the money she left behind, is inherited by her living heirs at the time of her death. Her sister inherits one-half as a prescribed share, based on the Almighty's saying: "If a man dies, leaving no child but a sister, she will have half of what he leaves." The male children of her brothers take the remaining half by 'asabah (agnatic kinship), based on the Prophet's (PBUH) saying: "Give the prescribed shares to those entitled to them, and what remains is for the closest male heir." As for your sisters or your female cousins, they do not inherit from your aunt. The inheritance should be divided by consulting the Sharia (definition) courts.