Mamie Gummer (left); Mehar Sethi (right).Photo:Frazer Harrison/Getty; Jerod Harris/Getty

Mamie Gummer attends the premiere of HBO’s ‘True Detective’ Season 3 at Directors Guild Of America on January 10, 2019 in Los Angeles, California; Mamie Gummer, Mehar Sethi and family arrive at Los Angeles Bluey “The Sign” Premiere Party at Walt Disney Studios on April 13, 2024 in Burbank, California

Frazer Harrison/Getty; Jerod Harris/Getty

Meryl Streep’s eldest daughterMamie Gummeris heading for a divorce.

The star ofThe Good Wifelisted irreconcilable differences as the reason for the split, which actually happened a year-and-a-half ago, as she listed their date of separation as May 6, 2023.

The couple shares son Peter, 5, and daughter Mary, 3, and Mamie requested joint physical and legal custody of them in the filing. She is also seeking spousal support from her ex.

Mamie Gummer, Mehar Sethi and family arrive at Los Angeles Bluey “The Sign” Premiere Party at Walt Disney Studios on April 13, 2024.Jerod Harris/Getty

Mamie Gummer, Mehar Sethi and family arrive at Los Angeles Bluey “The Sign” Premiere Party at Walt Disney Studios on April 13, 2024 in Burbank, California

Jerod Harris/Getty

Mamie wed Sethi — a screenwriter who has worked onIt’s Always Sunny, Rick and MortyandBoJack Horseman —on Feb. 2, 2019. He was the actress' second husband.

She was previouslymarried to Benjamin Walkerfrom 2011 to 2013. Walker went on tomarry Kaya Scodelario in 2015, with whomhe shares two children, butthey split last year.

Mamie Gummer, Allison Janney, Andrew Rannells, and Mehar Sethi attend the Cadillac Oscar Week Celebration at Chateau Marmont on February 6, 2020.Tommaso Boddi/Getty

(L-R) Mamie Gummer, Allison Janney, Andrew Rannells, and Mehar Sethi attend the Cadillac Oscar Week Celebration at Chateau Marmont on February 6, 2020 in Los Angeles, California.

Tommaso Boddi/Getty

The news of Streep’s daughter’s divorce comes just over a year after PEOPLE confirmed that theOnly Murders in the Buildingactress and her husband of 45 years, Don, hadquietly separated six years ago.

“Don Gummer and Meryl Streep have been separated for more than 6 years, and while they will always care for each other, they have chosen lives apart,” a representative for Streep said in a statement.

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The couple, who wed in 1978, share Mamie as well as daughtersGrace Gummer, 38, andLouisa Jacobson, 33, and son Henry Wolfe, 45.

source: people.com