Relatives say Beatrice Gersh, who helped establish the Museum of Contemporary Art in Los Angeles, has died. She was 87.

Relatives told the Los Angeles Times ( http://lat.ms/oYJ25J) she died Sunday of natural causes at her Los Angeles home.

Gersh is the widow of Hollywood talent agent Phil Gersh, who died in 2004. The couple started collecting art in the 1950s and joined supporters to found the MOCA in 1979.

Beatrice Gersh and her husband donated 13 significant pieces from their collection to the museum.

MOCA Director Jeffrey Deitch says Beatrice Gersh was one of the museum's most important and beloved patrons. He says the museum will mount a memorial exhibition to showcase the couple's gifts.

Beatrice Gersh is survived by sons David and Bob; brothers Charles and Leon Aberle; and five grandchildren.

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Information from: Los Angeles Times, http://www.latimes.com