Sigrid Thorsdottir

Sigrid, also known as Sigrid Thorsdottir or Sigrid Idunasdottir, sometimes referred to as Sigrid Egosdottir. is a child Asgardian/Celestial Hybrid who was orphaned after the death of her mother, Idunna and is the half-sister of Peter Quill. However, the two of them are unaware of their relationship with one another yet. She was later raised by Thor Odinson before reuniting with her half-brother,  Peter Quill.

Family

 * Asgardians - Maternal Famiily
 * Idunna  †  - Mother
 * Royal House of Asgard - Adoptive Family
 * Thor - Adoptive Father
 * Odin  † - Adoptive Grandfather
 * Frigga † - Adoptive Grandmother
 * Celestials - Biological Family
 * Ego  †  - Biological Father
 * Unnamed Half-Siblings †
 * Peter Quill - Unknown Half-Brother

Trivia

 * Technically, Sigrid is half-Celestial, half-Asgardian, but is always referred to as the "Asgardian Child" or the "Asgard Girl."
 * She will officially meet Peter in Avengers: Infinity War, hopefully.