Hazrat Ata (may Allah have mercy on him) said: "If a husband has performed zihar with his wife and then he or the wife dies, inheritance will be established between both of them."
Hadith Referenceسنن سعید بن منصور / كتاب الطلاق / 3021
Hadith Takhrij«أخرجه سعيد بن منصور فى «سننه» ترقيم الدرالسلفية برقم:، 1844، وعبد الرزاق فى «مصنفه» برقم: 11532»