The poolside studio at the Los Angeles home of Jean de Merry and Christian Darnaud-Maroselli is a telling portrait of their work and passions. Filled with books, art, bespoke furnishings and flea-market finds, the lofty space is at once inviting and fascinating, not least because of the mural that stretches across one wall, whimsically chronicling the couple’s lives and travels over their 22 years together. “It’s not a house for display,” says de Merry, as a black-and-white cat wanders in, demanding attention. He picks up a turn-of the-century carved chicha cup that he bought in Peru and runs his fingers around the jagged rim. “One of the dogs chewed it.” He shrugs. “This is a house of love, not a house of value. What is here are memories.” Those memories are seamlessly connected to the couple’s fine furnishings firm, Jean de Merry, which they launched in Los Angeles in 2001 after living in France and England. At first they specialized in French antiques but soon began turning out their own Deco-inflected designs, including a line of hand-dyed and aged leather seating inspired by the tanning business de Merry’s family operated for four centuries in France. The company has expand...