Scion

A scion is the offspring of a human and a non-human, including Faeries, demons, and other supernatural creatures. The scion of a djinn is termed a jann and the scion of a faerie is a Changeling

"B is for Bigfoot
In "B is for Bigfoot", the Bully Brothers are harassing Irwin Pounder as part of their hunting training.

Summer Knight
In Summer Knight,

Blood Rites
In Blood Rites,

Proven Guilty
In Proven Guilty, Lucius Glau is the son of a djinn and a mortal.

Skin Game
In Skin Game,

Known scions

 * Jared Kincaid
 * Lucius Glau
 * Irwin Pounder
 * Meryl
 * Fix, Lily, Ace
 * Sarissa, Maeve
 * Goodman Grey
 * Bully Brothers