Following the birth of their first child, Thomas Forrester, Dr. Taylor Forrestermarried to Ridgebecomes pregnant with twins. Throughout the pregnancy, Taylor suffers with tuberculosis, although she delivers the children without medication. Steffy and Phoebe Forrester are born on September 21, 1999, as Taylor almost dies. Steffy is named after her grandmother, Stephanie Forrester (Susan Flannery). In February 2001, a family trip to Saint Thomaswhere Ridge and Taylor renew their vowsends in devastation when two-year-old Steffy supposedly falls overboard during a storm and is presumed dead. However, Steffy has been kidnapped by Ridge's unstable ex-girlfriend Morgan DeWitt (Sarah Buxton)who was previously obsessed with having a child with him and Steffy is confined her to the walls of Morgan's home. Months after Steffy's supposed death, Taylor visits Morgan and discovers that Steffy is alive. Morgan then takes Taylor and Steffy hostage, but they are saved by Ridge. Morgan tries to flee but is arrested. The next year, Taylor is supposedly killed after being shot by another unstable resident, Sheila Carter (Kimberlin Brown), while trying to save Ridge's former love Brooke Logan (Katherine Kelly Lang) from being shot. Much to Thomas, Phoebe and Steffy's dismay, Ridge marries Brooke months later. The children have difficulty accepting Brooke as their stepmother. In 2005, Taylor is found alive and she returns to her marriage to Ridge, having missed much of Steffy's childhood. In 2006, Steffy leaves town for boarding school in England after Taylor and Ridge divorce.