Theory:Gabriel's mother

Main Article Theories about Gabriel's mother Main Discussion

The following fan theories are about Gabriel's mother.

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Theories

Theory	Citations	Notes
Sylar's mother is related to Angela or Arthur Petrelli.	Arthur claiming to be Sylar's family.	+ Lie detection did not pick up a lie upon Arthur's claim of being family. - It's not clear whether the ability works in the statement as a whole or in its parts, to affirm either one as fact is speculative. + Angela knew who his parents truly were. + Elle was shocked upon reading Sylar's file.
Sylar's mother had an ability.	None	+ Sylar may not have inherited his ability from his father. - If she had an ability, Samson would've taken it long before he'd marry her. + Sylar can take an ability without killing like he did with Elle, why can't Samson? - Nothing indicates Samson was ever aware that he can take abilities without killing. - Even if he did, it seems unlikely that he'd take the time and the effort to connect with people in order to have their abilities. - Samson married her. It seems like that would be precipitated by a considerable period of emotional closeness. Besides, Samson may have just had a preference for killing his targets.
Sylar's mother's identity will be revealed next season.	None	+ Sylar might accidentally touch something of hers. - Sylar is now Nathan Petrelli. - Sylar's mother is dead. What objects would she have? - This is likely a loose end, never to be tied up like Caitlin or Kaito's ability.
Sylar's mother had Sedation.	None	+ Sylar can get abilities without killing the victim. Samson might be able to do that. - Nothing suggests that Samson knows that can be done. - When Samson tried to take Sylars abilities, he tried to open his skull suggesting he either doesn't know he can acquire abilities without killing, or that he can't do it, at least not with his son.