Fanon:Sylvia Gallagher

Sylvia Gallagher is a single Sim still living with her parents, Leroy and Gladys Gallagher. Although, their family biography implies that she is taking care of them because her twin brother, Lawrence, is not. Sylvia's extended family includes her niece, Karissa, and her nephew, Dennis, both of whom are Lawrence's children.

Background
Sylvia is born as a twin to Leroy and Gladys Gallagher. Her twin is her brother, Lawrence Gallagher. Other than that, nothing much is known about Sylvia's personal past. It assumed that she turned out well because she isn't a teen parent like her brother. It is unknown how she reacted to becoming an aunt. Also, her love life is probably lacking, seeing as she is still single well into her adult life.

The Sims 4
Well into her adult life, Sylvia has been taking care of Leroy and Gladys. As a way to earn money, Sylvia works as a Pallette Cleaner in the Painter career. Eventually, one day in the late fall of some year, Sylvia takes her parents to Lawrence's house in Willow Creek for their anniversary. She is swiftly welcomed by her brother. After dinner, her teenaged niece, Karissa, takes her into her bedroom. Karissa reveals her pregnancy to Sylvia and wants to know what it was like for Lawrence and Maggie. All Sylvia can remember is that Leroy and Gladys were furious. Sylvia explains she can't remember anything else because it made her look like the good, favorited twin and apologizes that she shouldn't be asked advice on that matter.

On Harvestfest, Syvlia gets a text from Karissa. Sylvia is wished a Happy Harvestfest and is told that Karissa had been kicked out of the house. It's unknown how Sylvia's relationship with Lawrence changes after learning this information.