Introduction
Marie-Blanche de Polignac, born Marguerite Marie-Blanche Di Pietro, was Jeanne Lanvin’s daughter, a musician and the founder’s sole heir. As a child and young woman she became an important wearer and public image within the house, but the surviving evidence does not support describing her as a co-founder or early co-designer.
After Jeanne Lanvin’s death in 1946, Marie-Blanche became president of Lanvin and continued design activity through 1950. She retained estate authority until her death in 1958, when the estate was divided and the couture house passed to Yves Lanvin.
Design ethos
Marie-Blanche’s creative record is inseparable from institutional continuity. Surviving post-1946 objects show the house maintaining refined eveningwear, coats and coordinated ensembles while the ateliers continued under her presidency.
Personal authorship remains less precise than the period itself. Her contribution should be understood through direction, selection and continuity with the workrooms rather than the unsupported claim that she designed every model issued under the Jeanne Lanvin label.
Disclaimer
Career history
1958
Marie-Blanche de Polignac died in 1958, ending the founder’s daughter’s presidency and estate authority. The subsequent division of the estate shifted the couture house toward Yves Lanvin, although the exact share and governance transfers remain incompletely documented.
1946
Marie-Blanche de Polignac became Lanvin’s president after her mother’s death and continued design activity through 1950. Her role combined family succession, governance and creative direction while the continuing studios retained collective authorship.
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