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.

Tiger Woods posted a somber note to his social media channels, announcing that his mother, Kultida, had passed away. She was 80 years old. Ever since Woods could first hold a club, his mother was right there by his side,

Kultida Woods, the Thai-born mother of Tiger Woods, died Tuesday morning, a week after being seen attending his indoor TMRW Golf League in Florida. Woods did not reveal how his 78-year-old mother died in his social media post announcing her death.