Arianna Horton
Harper & Sydnee Udell
Harper & Sydnee Udell as Arianna Horton
Days of our Lives
Portrayed by: Harper & Sydnee Udell
Duration: 2013-
First appearance: May 22, 2013
Created by: Gary Tomlin
Christopher Whitesell
Family: Brady family
Evans family
Hernandez family
Horton family
Roberts family
Gender: Female
Born: May 21, 2013
Residence: Salem
Parents: William "Will" Horton III
(father, deceased)
Gabriela "Gabi" Hernandez
Siblings: None/unknown
Grandparents: Lucas Horton
(paternal grandfather)
Samantha "Sami" Brady
(paternal grandmother)
Eduardo Hernandez
(maternal grandfather)
Adrianna Hernandez
(maternal grandmother)
Great-grandparents: William "Bill" Horton II
(paternal great-grandfather)
Katherine "Kate" Roberts
(paternal great-grandmother)
Roman Brady
(maternal great-grandfather)
Marlena Evans
(maternal great-grandmother)
Aunts & uncles: John "Johnny" DiMera
(paternal uncle)
Alice "Allie" Horton
(paternal aunt)
Sydney DiMera
(paternal aunt)
Rafael "Rafe" Hernandez
(maternal uncle)
Arianna Hernandez
(maternal aunt, deceased)
Dario Hernandez
(maternal uncle)
Paige Larson
(maternal aunt, deceased)

Arianna Horton is a fictional character on the NBC daytime soap opera Days of our Lives.

Actress History:

  • Harper & Sydnee Udell (05/2013-present; recurring)

Character History:


Arianna Grace Horton is the daughter of the late William "Will" Horton III and Gabriela "Gabi" Hernandez. She was born on May 21, 2013. Arianna is the product of a one night stand, during the time that Will was coming to terms with his sexuality.


By the time that Gabi learned that she was pregnant Gabi was dating Nicholas "Nick" Fallon and Will was dating Jackson "Sonny" Kiriakis. Nick steps in as the father of Gabi's baby while Will agrees walk away from being a father. The paternity of Gabi's baby is revealed at her first attempt to marry Nick. Will decided that he wants to be a father to his child but Nick blackmails Will signing away rights his the child. Gabi and Nick later marry. When Gabi is quite pregnant, she and Nick are kidnapped by a former inmate who Nick was in prison with. They are save by Will and Sonny and Sonny delivers Gabi's baby.

Nick and Gabi's marriage soon fails and after Arianna's birth, Gabi moves in with Will and Sonny. Will and Sonny married in January 2014 and Gabi is sent to prison for murdering Nick, as he had become controlling over her and blackmailing her into staying with him. Once Gabi heads off to prison, Will and Sonny raise her.

Will and Sonny's marriage begins to have problems in late 2014/early 2015. For the rest of 2015, Will and Sonny's marriage remains in trouble, because of Will having an affair and with the arrival of Sonny's ex-boyfriend Paul Narita. Arianna's young life to thrown up in the air in August 2015 and the next few months, Sonny leaves town in August 2015 needing some time away to clear his head over the state of his marriage. Gabi is release from prison in September 2015 and Will is murdered in October 2015.

Sonny briefly returns to town for Will's funeral but leaves town for good soon after. Gabi is left to raise her daughter alone.

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