Kultida Woods, the Thai-born mother of Tiger Woods who instilled his dominant spirit and encouraged him to wear a red shirt on Sunday as his power color, died Tuesday.

Tiger Woods took to social media to announce that his mother, Kultida Woods, had died and to share a heartfelt tribute.

Kultida Woods, who was from Thailand, met Tiger's father, Earl, during the Vietnam War. They moved to New York and married in 1969 before settling in California. The 15-time major winner's father died in 2006. The two were married for 37 years.