Teghan and Daniel say their family’s lives would be better if their older sister, Tylor, didn’t live at home.

“Tylor’s been abusive to me for as long as I can remember,” says 16-year-old Teghan. “She finds some self-satisfaction in putting other people down to bring herself up.”

TELL DR. PHIL YOUR STORY: Do you need Dr. Phil to "get real" with someone?

Daniel, her 14-year-old brother, adds, “She hit me in the face with a peanut butter jar … Tylor will call me retarded and stupid.”

The teens also claim that their sister lies often -- including about being pregnant -- all to “get attention.”

WATCH: Parents Claim 18-Year-Old Daughter Is A ‘Rageaholic,’ Abuses Entire Family

Tylor admits she has anger issues but says her parents have “brainwashed” her siblings against her.

“I do not like my sister; I don’t want Tylor in my life,” Daniel says.

The family turns to Dr. Phil for help. On Friday's episode, see what happens when they come together. Is Tylor ready accept help and change her behavior? Check here to see where you can watch.

TELL DR. PHIL YOUR STORY: Toxic Relative?

Teen Claims Entire Family Is Lying To Dr. Phil About Her