No. It is said that the Nephilim are the children of men and angels. All that this angelic heritage has given to us is a longer distance to fall.
Cassandra ClareNow before we do any digging around in that blond head of yours to find out the truth, I suggest you cool your temper. And I know just where you can do that best.โ Jace blinked. โAre you sending me to my room?
Cassandra ClareYes, he would have done that for Tessa - died to keep the ones she needed beside her - and so would Jem have done that for him or for Tessa, and so would Tessa, he thought, do that for both of them. It was a near incomprehensible tangle, the three of them, but there was one certainty, and that was that there was no lack of love between them.
Cassandra ClareI think there is hope for you yet, Will Herondale. I will try to learn how to have it, without you to show me. Tessa, Jem said. She knows despair, and hope as well. you can teach each other. Find her, Will, and tell her that I loved her always. My blessings, for all that it is worth, is on you both.
Cassandra Clare