According to the Armenian historian Ghazar Parpetsi , Izad Gushnasp was also the foster brother of the Sasanian shah Peroz I , who was the son of shah Yazdegerd II .
Head entity: peroz i Q310233 19 20
Tail entity: yazdegerd ii Q310303 28 29
Relation (head \u2192 tail): P22
Inverse relation (tail \u2192 head): P40