Carly Simon’s sisters, composer Lucy Simon and opera singer Joanna Simon, died of cancer within a day of each other

NEW YORK CITY – JUNE 1: Musician Carly Simon and her sisters Lucy Simon and Joanna Simon attend the National Academy of Popular Music’s 25th Annual Songwriters Hall of Fame Induction Ceremony on June 1, 1994 at Sheraton New York Hotel and Towers in New York, New York. (Photo by Ron Galella, Ltd./Ron Galella Collection via Getty Images)

Ron Galella, Ltd./Ron Galella Collection/Getty

Carly Simon is mourning the death of her two sisters, who died of cancer a day apart.

Lucy Simon, a Tony Award-nominated Broadway composer, died of metastatic breast cancer on Thursday aged 82, while Joanna Simon, an opera singer, died of thyroid cancer Wednesday at the age of 85.

Both deaths were confirmed to Deadline on Friday.

The youngest brother of the trio, Peter Simon, a longtime photographer on Martha’s Vineyard, died in 2018 aged 71 after being diagnosed with lung cancer.

A representative for Carly, 75, did not immediately respond to PEOPLE’s request for comment.

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Unspecified: (LR) Lucy Simon, Joanna Simon, Carly Simon on

Unspecified: (LR) Lucy Simon, Joanna Simon, Carly Simon on “20/20”. (Photo by Disney General Entertainment Content via Getty Images)

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Lucy got her start in the music industry when she formed the iconic folk duo, The Simon Sisters, with Carly in the early 1960s.

After releasing the song “Wynken, Blynken & Nod” in 1964, Lucy went on to attend nursing school and married David Levine in 1967. They share two children together, Jamie and Julie.

Lucy later returned to the music industry in the late 70s, and the couple went on to produce two Grammy-winning children’s albums in the 80s – In harmony and In harmony 2.

Lucy also enjoyed individual success when she became the third Broadway composer. His score for the years 1991 The secret garden received a Tony nomination that year. His second Broadway show, Doctor Zhivago, opened in 2015.

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Joanna also got her start in the ’60s, making her debut in Mozart’s “The Marriage of Figaro” at the New York City Opera in 1962, according to Playbill. The mezzo-soprano has performed at Seattle Opera and with the New York Philharmonic, Vienna Philharmonic and Pittsburgh Symphony Orchestra throughout her career.

After retiring from the world of opera, Joanna became an Emmy Award-winning arts correspondent for PBS’ MacNeil/Lehrer news hourrole she held until 1992.

Joanna was married to Gerald Walker from 1976 until his death in 2004. She was also with news presenter Walter Cronkite in the final months before his death in 2019.

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