Judas Iscariot the son of Simon (ἹουÌδαν ΣιÌμωνος ἹσκαÏιωÌτην).
The correct reading is ἹσκαÏιωÌτου, Iscariot, agreeing in the genitive case with ΣιÌμωνος, of Simon. Render, as Rev., Judas, the son of Simon Iscariot. Iscariot denotes the name of Simon's town: a man of Kerioth. See on Mat 10:5.