Istalcurus
Istalcu'rus "In 1 Esdr. 8:40. the son of Istalcurus' (ὁ τοῦ Ι᾿σταλκούρου) is substituted for 'and ZABBUD' of the corresponding list in Ezr 8:14. The Keri has Zilkkur instead of Zabbud, and of this there is perhaps some trace in Istalcurus."