Teena Marie Cause of Death Unclear Following Autopsy

TEENA MARIE (Mary Christine Brockert) (March 5, 1956 - December 26, 2010) R&B diva, "Ivory Queen of Soul," breaker of racial barriers.

Investigators say an autopsy on R&B singer Teena Marie revealed no signs of trauma, but it likely will be weeks before a cause of death will be determined.

Los Angeles County Assistant Chief Coroner Ed Winter said Wednesday that toxicology tests that could determine Marie's cause of death take about six weeks.

R&B Singer Teena Marie Dead at 54

Winter says her body showed no signs of trauma and no illegal drugs were found in the Pasadena home where she died.

Marie, the singer of hits like "Lovergirl" who was often called the "Ivory Queen of Soul," was found unresponsive by family members in her home on Sunday. She was 54.

Gone But Not Forgotten: 2010

Police said in a statement that the death appeared to be from natural causes.

© 2010 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.