All four of his daughters by his first wife , Phoebe : Nora Ephron , Delia Ephron , Hallie Ephron and Amy Ephron , also became notable writers .
Head entity: hallie ephron Q5642969 18 19
Tail entity: phoebe Q386488 10
Relation (head \u2192 tail): P40
Inverse relation (tail \u2192 head): P25