In 1839, Louisa's mother and elder sister, Ann, moved from London to live in the household at Châlons.
Despite reproaches and a limit on funds at his disposal, Adolphe was an overly generous man who compounded this trait with a passion for dabbling in rather eccentric business propositions. He assisted many with advice and money whenever the need arose.
A typical example occurred in 1831 when Adolphe decided to set up a lithographic press in London. While the venture had promise, the whole enterprise turned into a fiasco! He had a friend, Lemercier, who had made a considerable fortune from the relatively new process. When Adolphe tried to capitalise on this it all came to nothing!
Adolphe and his family lived on the square in Châlons-sur-Marne in the old house known as the Cloisters of St Etienne. A feature developed by Adolphe was an orangery in one of the wings for use in winter. Louisa developed a beautiful garden. Clumps of trees beyond the lawns were shaped into arbours and linked with winding pathways to provide solitude and coolness in the summer.
Louisa busied herself in charitable works. She was the principal supporter of the Protestant community which guaranteed her a busy life. However, charities, were not alone in filling Louisa's life. She was devoted to music and was known to spend many hours a day at her piano. Louisa was also a voracious reader and even took to copying passages and making notes from the texts.
The Jacquessons inherited considerable wealth and Adolphe enjoyed a corresponding lifestyle. An indication of this style was demonstrated during the hunting season of 1858 when they had brought to the Châlons home a famous Parisian restaurateur, Chevet, who took charge of the kitchen for the season.
As soon as Adolphe had seen his fortune grow enough to permit him a wider life, he organised an annual stay in Paris. He found an apartment at the corner of the Champs-Elysées and the rue de la Boetie and Louisa spent great energy furnishing it with taste. She spent many months undertaking studies at the Collège de France, the Sorbonne and the Conservatoire. She spent time at concerts and the opera enjoying the music which was so dear to her. There is no doubt that Louisa was an intelligent woman and studying came easily to her as was shown during their association with the Poles in the 1830s when with little apparent effort she became quite fluent in Polish.

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