Jeanne Louise, married a dissolute drunk. She used the name Mayfair for all her official documents. Peter, her twin, was her lifetime companion, the father of her fifth and favoured child, daughter Angelique, born 1725. To her husband, she had four sons. By the time of Angelique's birth, he had gone mad and was confined to the same cabin on the cliff edge that Petyr had been.
Not long after she married, connecting bedroom and parlour extentions were added to her rooms for Peter, who never married.
Jeanne Louise was described as being an exceptionally beautiful woman, much admired and sought after and welded the same power over the plantation and people as her mother before her.
She died in 1771, just a few hours after her brother.