Kultida Woods, the mother of Tiger Woods, golf’s biggest star, died Tuesday, according to the 15-time major winner. He did not provide give her cause of death.

Kultida Woods, the mother of 15-time major champion Tiger Woods, has died, her son announced on social media. She was 80. No cause of death is known at this time.

Kultida Woods, mother of Tiger and a bedrock foundation in his life from his earliest moments to his most recent ventures, died early Tuesday morning, the legendary golfer announced. She was 80 years old.