Spencer Hastings Spencer discovered that her father Peter (Nolan North) had a one-night stand with Mary Drake (Andrea Parker), believing that she was actually her identical twin Jessica DiLaurentis. That hookup led to Mary becoming pregnant with Spencer, and the Hastings adopting her after her birth in Radley.
Veronica couldn't stand the thought of the baby being forgotten, so she adopted the baby. Immediately after Spencer's birth, a nurse gave Spencer to a man who then gave her to Veronica, who was waiting outside the sanitarium in a car. Spencer was never told that she was adopted.
Biography. Spencer Hastings was born on April 11, 1994, at Radley Sanitarium. Her birth mother, Mary Drake, was a patient at Radley while she was pregnant. Jessica, Mary's sister, told Veronica Hastings that Mary was pregnant with Veronica's husband, Peter Hastings's child.
Melissa was unaware of Spencer's adoption and thought they were biological sisters. They are actually half-sisters, as they share the same father but different mothers. They are also adopted sisters since Veronica adopted Spencer. They share a half-brother, Jason DiLaurentis.
In one of the most heartbreaking moments in Pretty Little Liars history, Veronica confirmed that Mary Drake is Spencer's biological mother on PLL' s Season 7B premiere "Playtime." Spencer...
Charlotte knew that Spencer was her half-sister prior to the Dollhouse, but viewed Spencer as a doll and not a sister. They share Jason DiLaurentis as a brother - Spencer is Jason's paternal half-sister while Charlotte is Jason's adoptive sister.
Charlotte was shocked to see Spencer's twin, though the two became close overtime and called each other sisters. Wren and Alex fell in love, and Wren proceeded to work with Charlotte during her time as A. He later helped Alex when she decided to take over the game and avenge Charlotte's death.
Mary Drake was born the twin sister of Jessica DiLaurentis.
Courtney DiLaurentis was the identical twin sister of Alison DiLaurentis. She was also the girl who Aria, Spencer, Emily, and Hanna knew as "Ali" and was their best friend. She was actually not mentally insane, Alison just made a plan to make Courtney look like it.
The big reveal, of course, was the identity of Uber A. It turns out that Spencer (Troian Bellisario) had an evil twin this entire time, and that "A.D." refers to her initials — Alex Drake.
She tells Spencer that she is leaving and wants Spencer to go with her. Her reasons being that she wants to make up for lost time and save her from the crazinees of Rosewood.
Spencer discovered that her father Peter (Nolan North) had a one-night stand with Mary Drake (Andrea Parker), believing that she was actually her identical twin Jessica DiLaurentis. That hookup led to Mary becoming pregnant with Spencer, and the Hastings adopting her after her birth in Radley.
Spencer also suffers from PTSD - she had a breakdown when she believed she found her boyfriend's dead body and was placed in Radley again, refusing to speak to anyone, and after she was kidnapped by A, Spencer had severe PTSD and had blackouts in her memory.
Peter Hastings is the father of Melissa, Jason, Spencer, and Alex Drake. He had an affair with Jessica DiLaurentis which resulted in the birth of Jason DiLaurentis. He also had a one night stand/affair with Mary Drake (who he thought was her twin sister, Jessica), which resulted in the birth of both Spencer and Alex.
A streamlined version of Mary's story: She was a patient at Radley 25 years prior, where she gave birth to Charles Drake (who later transitioned to Charlotte, a.k.a. CeCe Drake) but was deemed unfit to be a parent. Thus Charles was adopted by Jessica and Kenneth DiLaurentis.
Wren is the father.
In the series finale, it was revealed that Wren is the father — but Emily and Alison don't appear to know that information.
Ezra got Alison Pregnant Before She went missing... and she had the baby | Fandom.
She also used his sperm with Emily's eggs to impregnate Alison. So that makes Wren the father of Emily and Alison's babies.
aka CeCe Drake) father. He only knew her as Charles, the soft spoken, sweet boy, smarter than all the others from the youth camp for troubled boys. Turns out, 15 years later, Ted is barely finding out he was Charles' father.
Season 3. During "Kingdom of the Blind", Veronica discloses that Melissa has a dilemma, but it isn't stated what. It was also revealed that for sometime Melissa had been faking a pregnancy due to the fact she had a miscarriage. Melissa had miscarried the day after she found Ian's body.
In "The DArkest Knight", it is revealed that Spencer is Alison's maternal cousin via Mary Drake, who is Alison's Aunt and Spencer's biological mother. The pair are also both sisters to Charlotte DiLaurentis - Spencer by blood and Alison via adoption.
Jessica didn't know that CeCe Drake and Charlotte were the same people until Alison and her family left for Cape May. Before Alison arrived, Charlotte admitted to Jessica that she wasn't attending classes and instead, was running around Rosewood with Alison and Jason.
While in the show, only Toby saw what The Liars did. In TV series, Spencer is the first to find out that Mona is A. In the books, it was Hanna.