Mas’ala 13841الأمShafi'ivol. 4, p. 80vol. 4, p. 80 وَلَا زَوْجٍ، وَلَا زَوْجَةٍ لَهُ فَرِيضَةٌ، Read the whole chapterCopy with source On the map: InheritanceCompare