Bobbi Kristina Brown died from a combination of drowning and drug intoxication, the Fulton County Medical Examiner's office revealed in a statement on Friday.<br />Released on what would have been Brown's 23rd birthday, the statement sheds light on her condition when she was found unresponsive in her bathtub on Jan. 21, 2015.<br />In a statement released in July, the medical examiner's office indicated the months between the January incident and Brown's death would "complicate reconstruction of the events surrounding her initial unresponsiveness.<br />Meanwhile, her boyfriend Nick Gordon, 20 - who was raised as Houston's son, but never officially adopted - is in the midst of a legal battle with Brown's family.<br />Brown's best friend and former roommate Mason Whitaker reflected on the loss of the late Whitney Houston and Bobby Brown 's only child in an interview with PEOPLE in February.
