Are Jace and Clary siblings? Truth About Their Relationship Revealed

An image of Jace and Clary
Are Jace and Clary siblings? An image of Jace and Clary/PHOTO: Files

Jace Herondale and Clary Fray are the main actors whose fates intertwine through a series of supernatural events in Cassandra Clare’s “The Mortal Instruments”.

As readers tread through the shadowy world Clare has crafted, they can’t help but wonder: Are Jace and Clary destined for love, or are they doomed by a shared lineage?

This article looks into the heart of their relationship, clarifying the truth behind their familial ties.

Spoiler Alert!

Revealing the truth about Jace and Clary’s relationship includes spoilers from the series.

So, if you prefer to preserve the mystery, consider this a gentle invitation to explore the characters’ journeys without the revelations that follow.

The Deception

If you are still with me, the tale begins with a shocking revelation: Jace and Clary are led to believe they are siblings.

This revelation is first introduced in “City of Bones,” the inaugural book of the series.

It is orchestrated by the mysterious Valentine Morgenstern.

However, as the narrative unfolds, it becomes clear that Jace and Clary are not blood-related siblings.

The veil of deception lifts through a series of discoveries and confessions from other characters.

It reveals a hidden past that alters everything they believe to be true.

Free to Love

This pivotal twist in their story liberates Jace and Clary from the constraints of an incestuous bond.

This allows them to explore the depths of their romantic feelings for one another.

It’s a revelation that not only transforms their relationship but also propels their characters into new heights of growth and possibility.


Jace and Clary are not siblings.

The effect of this revelation extends beyond their personal drama.

It infuses the across-the-board narrative with complexity and allows for a richer exploration of their bond and individual character arcs.


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