Birth Name: Alyvia Alyn Lind
Date of Birth: 27 July 2007
Place of Birth: Los Angeles, California, USA

IMDb:

Younger sister of Natalie Alyn Lind and Emily Alyn Lind.
Her middle name “Alyn” is also her sisters’ middle name and their mother’s middle name. It came from her mother’s father’s name “Allen” who is a salesman for Nunn Bush Shoes (2005).
Daughter of actress Barbara Alyn Woods and John Lind.