Eliza Danvers

Dr. Eliza Danvers is a bio-engineer, the wife of Jeremiah Danvers, the mother of Alex Danvers and the adoptive mother of Kara Danvers.

Early life
Dr. Eliza Danvers was a brilliant scientist living with her husband Dr. Jeremiah Danvers in small town of Midvale. She, along with her husband, helped Superman understand his own abilities at one point in time. Together they had a daughter, Alex Danvers.

Taking in Kara
When Superman discovered that his cousin Kara Zor-El had arrived on Earth, she and her husband took Kara into their home.

Losing Jeremiah
Eliza asked Jeremiah to come in to keep her company while she wrote her dissertation. They later caught Kara and Alex sneaking back in, after the two went flying. Eliza, along with Jeremiah, lectured the girls on the danger of what they had done, with Eliza coming down particularly hard on Alex, as she was supposed to be Kara's big sister. They soon after sent the girls up to their room after hearing a knock on their door. Answering it, they were introduced to Hank Henshaw of the D.E.O. who wanted to study Kara, as Superman refused to cooperate with them. However, Jeremiah offered to work for the organization and provide it with all of his research instead. Jeremiah later died working for the organization, and she told Kara and Alex that he died in a plane crash.

Visiting National City
Eliza later visited National City for Thanksgiving, blaming Alex for not stopping Kara from revealing her superpowers. At a Thanksgiving dinner, Eliza commented on Alex's wine consumption, and later became outraged when Alex revealed to her that she worked for the D.E.O.. After several blackouts caused by Livewire, Eliza had a heart-to-heart with Alex, revealing why she was so tough on her in comparison to the way she was with Kara. The next day before she left, Eliza told both Alex and Kara that she was proud of them, though she told Kara that there was room for improvement as Supergirl. She then revealed to them that Jeremiah had died working for the D.E.O. under Hank Henshaw, and not in a plane crash as they had been told.

Myriad
After they have become fugitive, Alex and J'onn comes in Eliza's house and learn about what is happening in National City. After that, Alex and J'onn went back there to help Kara, however, Non managed to put her under the control of Myriad, forcing her to fight Kara with the intention toto kill her. Alex almost did it, but was stopped by her mother (who was taken in the city by J'onn) who told her that she believed in her, snapping her out of the mind control. Later, Alex told her mother that her father is alive and is in a secret laboratory named Cadmus, from where they intend go to save him. After Supergirl saved the Earth, Eliza was present at Kara's apartment during the celebratory dinner they were having. Thought it was interrupted by a pod flying in the sky catching their attention, causing Kara and J'onn to leave to check it out.

Supergirl
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Season 2
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Adventures of Supergirl

 * "Chapter 1" (mentioned)
 * "Chapter 2" (mentioned)
 * "Chapter 3" (mentioned)
 * "Chapter 6"
 * "Chapter 8" (mentioned)
 * "Chapter 10" (mentioned)
 * "Chapter 11"
 * "Chapter 12"
 * "Chapter 13"

Behind the scenes

 * In the DC comics, Kara's adoptive mother was named Edna Danvers in the Silver Age, before the later, more recent version was renamed Sylvia Danvers.
 * Eliza Danvers, an in-part original character specifically created for the show, was incorporated into the DC comic book universe, first appearing along with Supergirl in Superman/Wonder Woman #29 (July, 2016). Starting with Supergirl: Rebirth (October, 2016), she along with her husband, are introduced as agents of the D.E.O. and the adoptive parents of a teenage Kara Danvers.