Musannaf Ibn Abi Shaybah

It is narrated from Ibrahim regarding the man who makes a will for one third of his wealth for someone, and then before dying his wealth increases, and then he dies: He said, the person for whom the will was made is entitled to one third of the original wealth and also one third of the newly acquired wealth.

Khallas narrates from Hazrat Ali (may Allah be pleased with him) that regarding the man who made a will for one third of his wealth and was then killed by mistake, he said: The bequest of one third will also be taken from his blood money.

Harith narrates the statement of Hazrat Ali (may Allah be pleased with him) that the person will be given one-third of the bequeather’s property and also one-third of his blood money.

It is narrated from Hasan (may Allah have mercy on him) regarding the man who made a will for one third of his wealth and was then killed by mistake, he said: One third of the blood money will be included in one third of his wealth.

Ash'ath narrates from Hazrat Sha'bi, who said: The heirs of the will shall share in the property of the will, whether it increases or decreases. Ash'ath says that when I related this to Muhammad bin Sirin, he approved of it.

Yazid bin Abi Habib narrates from Hazrat Umar bin Abdul Aziz (may Allah have mercy on him) regarding the man who made a bequest for someone, then later acquired wealth; he said that the additional wealth will not be included in that bequest.