Ja’net Dubois best known for her role in Good Times was found dead at 74.

He cause of death is unclear because she wasn’t known to have any illnesses according to TMZ. Ja’net passed away in her sleep.

Although the actress is most known for her role as the Evans family’s sassy neighbor, Wilona Woods, she also composed and sang The Jeffersons theme song. She also had guest appearances in I’m Gonna Git You Sucka, Tropic Thunder and Charlie’s Angels: Full Throttle.

Ja’net Dubois is also an Emmy-award winner for her voiceover work on The PJs.

She’s survived by her three children.