Yorin

"Donan's progeny... his pride and joy... your retribution if you give me what I want."
"You will have safe passage."

- Lilith concludes her bargain with Astaroth, just before stabbing his soulstone into Yorin's head^(src)

Yorin
Title	Donan's pride and joy
Gender	Male
Race	Human
Affiliation	Cathedral of Light
Class	Pale Knight
Relatives	Donan (father)
Status	Deceased
Appearances	Diablo IV

Yorin was a Pale Knight and Donan's son. He was captured by Lilith, and offered up to Astaroth for possession as part of her bargain with the demon.

Gallery

Yorin, immediately after Astaroth's soulstone is implanted in his head