Allie is the daughter of Sami Brady (Alison Sweeney) and Lucas Horton (Bryan Dattilo).
That’s right,Sami got pregnant with twins who were fathered by two different men.
Eventually, Sami took her children and moved away from Salem.

Lucas soon followed his ex so that he could be close to his children (viaSoaps in Depth).
Years later, Allie returned to her hometown as a grown woman with a big secret.
Allie seemingly had drama follow her to Salem when she returned to town hiding a pregnancy.

At the time, Allie had a few ideas about whom she might give her unborn child.
However, the question of the newborn’s paternity became a huge scandal in Salem.
Allie accused Tripp of raping her, but he proclaimed his innocence, perDaily Soap Dish.

Allie eventually agreed to be hypnotized to make it remember the night of her attack.
Under hypnosis, she remembered spending time with Tripp but also that another person had assaulted her.
Charlie was later shot and killed by Jan Spears.
Allie apologized to Tripp, and the two got close.
They even eventually started dating.
Tripp eventually left Salem (viaSoap Spoiler), but he and Allie parted on good terms.
If you, or anyone you know, have been a victim of sexual assault, help is available.