From wiki, natch:
Grammer's family life has been plagued by tragedies. In 1968, when Grammer was thirteen years old, his father, whom he had seen only twice since his parents' divorce, was shot and killed on the front lawn of his home in the U.S. Virgin Islands. In 1975, his younger sister, Karen, was raped and murdered after being abducted outside a Red Lobster restaurant in Colorado Springs, Colorado, where her boyfriend worked. In 1980, his fraternal twin half-brothers were killed in a scuba diving accident.
He's got nothing on Kelsey Grammer:
From wiki, natch:
Grammer's family life has been plagued by tragedies. In 1968, when Grammer was thirteen years old, his father, whom he had seen only twice since his parents' divorce, was shot and killed on the front lawn of his home in the U.S. Virgin Islands. In 1975, his younger sister, Karen, was raped and murdered after being abducted outside a Red Lobster restaurant in Colorado Springs, Colorado, where her boyfriend worked. In 1980, his fraternal twin half-brothers were killed in a scuba diving accident.