She has little family history revealed, except for the fact that her mother killed herself and that she has a twin sister (Ursula).
She is a masseuse, and she plays guitar in the coffee house Central Perk.
When she tells the story of the time she stabbed a cop, their obviously surprised looks cause her to retort, "What? " Phoebe has picked up an impressive talent for boxing at a YMCA, where, according to her, the guys, "weren't being Christian enough." ("The One With The Race Car Bed") Phoebe met and moved in with Monica, which began their friendship.
While still living with her, Phoebe married a gay Canadian ice dancer, Duncan, in order to help him obtain a green card. Monica claims that when Duncan left, she saw Phoebe eating a cheeseburger.
Frank abandoned Lily and the twins, and then later married another woman.
("The One With The Mugging") Phoebe mentions that she lived in Prague.
They move in together, but the next morning she breaks up with him when he shoots a bird. But Monica takes Chandler to the hospital when a tiny plastic gun is stuck in his throat, leaving her alone with the babies.
("The One With The Ball") Phoebe has a never-seen roommate called Denise who moves out unexpectedly, allowing Rachel to move in after she is displaced by Chandler Bing. With Phoebe and Rachel as roommates, more is revealed about Phoebe as we get to see her at home in several episodes, and they hang out together more often.
Phoebe spends time with her half-brother, Frank Jr., for the first time.
She also finds out about a friend of her adoptive mother's, Phoebe Abbott, who lives on the beach.