Alexa Demie

06/04/2019 – Alexa Demie – HBO’s “Euphoria” Los Angeles Premiere – Arrivals – Cinerama Dome, 6360 Sunset Boulevard – Los Angeles, CA, USA – Photo Credit: Guillermo Proano / PR Photos

Birth Name: Alexa Demie Wilson-Danerstorm

Place of Birth: Los Angeles, California, United States

Date of Birth: December 11, c. early 1990s

*paternal grandfather – Swedish, other
*paternal grandmother – Ashkenazi Jewish
*mother – Mexican [Indigenous, Spanish]

Alexa Demie is an American actress, singer, and model. She plays Maddy Perez on the series Euphoria.

Alexa’s mother, Rose Mendez, is a celebrity make-up artist and writer, of Mexican descent. She was born in Michoacán and came to the United States in the 1980s.

Alexa’s paternal grandfather was named John Robert Vanerstrom.

Alexa’s paternal grandmother was Carole E. Unrot (the daughter of Abraham “Al” Unrot and Eve/Rebecca Martin). Abraham was born in Canada, the son of Meyer/Max Unrot and Chaya/Annia/Anna Werek, who were Polish Jews/Russian Jews. Eve was born in Scotland, the daughter of Samuel “Sam” Martin and Pauline “Polly” Keller, who were Russian Jews.

Alexa’s grandmother Carole re-married to musician Dennis Wilson, of The Beach Boys, in 1965. Dennis was the brother of musicians Brian Wilson and Carl Wilson. Dennis adopted Alexa’s father. Through this line, Alexa is a first cousin, once removed, of Dennis’s nieces, musicians Carnie Wilson and Wendy Wilson, and a first cousin, twice removed, of Dennis’s cousin, musician Mike Love.

Alexa’s maternal grandmother is named Isabel Magaña.

Sources: Alexa Demie talking about her Mexican heritage –

Genealogy of Alexa Demie (focusing on her father’s side) –

Alexa’s paternal great-grandfather, Abraham “Al” Unrot, on the 1930 U.S. Census –

Alexa’s paternal great-grandmother, Eve/Rebecca (Martin) Kaminsky/Cominsky, on the 1940 U.S. Census –

14 Responses

  1. madman says:

    I think John’s parents were Frank Henry Vanerstrom and Sylvia Eleanor Jacobs. But I’m not sure yet.

  2. madman says:

    Also, add this sentence:
    Alexa’s paternal step-grandfather (her grandmother’s second husband), who raised Alexa’s father and whose surname he adopted, was singer and musician Dennis Wilson, of The Beach Boys. Dennis’ brothers were singers Brian Wilson and Carl Wilson.

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