The children of the rock star French Johnny Hallyday are the challenge after he has left everything to his fourth wife Laeticia and daughters.
In a statement, the actress Laura Smet said she was “stunned and hurt” after learning that she had been left nothing of his father.
His biological son David is also the protest, the news agency said.
The singer, who has been very popular in his native country, France, died in December at the age of 74 of lung cancer.
Ms. Smet, 34 years old, said she was shocked to be left without even the memories of his father, “not even the round of the song of Laura”, which is dedicated to him.
In a letter addressed to his father, and published in the French media, she complained that she had not “been able to say goodbye.”
“I would have preferred it all to stay with the family, unfortunately, in our family, it’s like this,” she wrote.
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His lawyers maintain the will, written in California, violates French laws that prevent children from being disinherited.
The rocker married Laeticia in 1996. They then adopted two Vietnamese-born daughters, Jade and Joy.
According to the statement, the will provides that in case of Laeticia die, then the succession of the adopted child, children only.
Hallyday, real name Jean-Philippe Smet, was often referred to as “the French Elvis”.
The singer has sold nearly 100 million albums and has played in a number of films, but failed to crack the anglophone market.
Hundreds of thousands of people came to pay tribute to him after his death from lung cancer at the age of 74 in December.