Not much to go on but:
- Temerita Reid was two years behind her in Hufflepuff but was a Seer who took Divination every year it was available to her and suffered the whole time. Not sure if that would draw Sylvia to try and make friends with her?
- Louisa Embry is closer in age but dropped out after 4th year. Also famously has Man Problems.
"Have you heard? She's the one that killed her husband!
They couldn't prove it... but everyone says it was her"
They couldn't prove it... but everyone says it was her"