Alyssa became a big sister to Charlotte on October 3,2007.
Alyssa's and Hannah's first appearance on 7th Heaven was in the Season 9 episode "Tangled Web We Weaved".
Alyssa has a slightly thinner face than Hannah's and her chin is a bit pointer.
When she smiles, Alyssa gets dimples.
Alyssa didn't have much hair till she was 18 months old.
Alyssa has blond hair and blue eyes.
Alyssa and her twin sister, Hannah, are represented by the The Osbrink Agency.
Alyssa and her sister, Hannah, played the role of Savannah on 7th Heaven since season 9, although they were credited for it since season 11. Also, in season 11, Savannah is finally talking.
Alyssa was born at Hoag Memorial Hospital, Newport Beach, CA.
Her parents are Dave and Elishia Yadrick.
Alyssa was born at 5:59 a.m. on July 7, 2004, one minute before her twin sister. She weighed 5 pounds 14 ounces and was 19 inches long.