Who is Billie Eilish biological father?

Billie Eilish

Who is Maggie Baird husband?

Maggie Baird

Why is Billie Eilish and Finneas O Connell?

Behind Billie Eilish’s music is a brother-sister duo that started at the age of 12. Finneas O’Connell, Eilish’s older brother, is the producing mastermind behind the sound of hit songs from Justin Bieber, Selena Gomez, Demi Lovato, and Halsey.

Did Billie Eilish adopt a kid?

Billie Eilish hasn’t adopted a child, but in April 2020, she did adopt a pit bull puppy she had been fostering.