Co-starring celebrity relatives also Die in Threes

Ronnie Burns, who played himself on his parents’ TV show, “The George Burns and Gracie Allen Show,” in the 1950s, has died of lung cancer at 72. His father George lived to be 100.

Martha Kostyra, the Polish American mother of Martha Stewart who passed on to her daughter enough cooking, sewing and other household tips to fill several books, has died. She was 93. Martha Stewart served five months in prison.

Sigrid Valdis, who played Col. Klink's sexy blond secretary on "Hogan's Heroes" and married the show's star, Bob Crane, has died of lung cancer at 72. Bob Crane was found bludgeoned to death in an apartment in Scottsdale, Arizona in 1978.

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