Peter Quill

Peter Jason Quill (also known as Star-Lord) is the fraternal twin brother of Emma Quill, the son of Meredith Quill and Ego the Living Planet, the half-brother of Captain Victoria, adoptive son of Yondu Udonta.

Relationships with other characters
Una Udonta: He loved Una like a second mother and she thought of him as the son she never had.

Family

 * Emma Quill (fraternal twin sister, teammate and best friend)
 * Meredith Quill (mother)
 * Ego the Living Planet (father and attempted killer)
 * Yondu Udonta (adoptive father; first mentor)
 * Rocket Raccoon (friend; teammate, and brief captor)
 * Gamora (love interest; best friend)
 * Keira Udonta (adoptive cousin)
 * Una Udonta (mother figure)