gordon peter getty (born december 20, 1933) is an american businessman, investor, philanthropist and classical music composer, the fourth child of oil tycoon j. paul getty. his mother, ann rork, was his father's fourth wife. when his father died in 1976, gordon assumed control of getty's us$2 billion trust. his net worth was $2.1 billion in may 2019, making him number 383 on the forbes 400 list of the wealthiest americans.