Inside the Roman Palace of Lucia and Sofia Odescalchi

Sofia and Lucia Odescalchi (from left) at home in Rome, both wearing Valentino clothing and Lucia Odescalchi jewelry. Lucia wears dries van Noten pumps.

The palazzo is among the grandest residences in the city.

A painting of Pope Innocenzo XI Papa Odescalchi, 1670, in the entrance to the Odescalchi apartment.

Lucia updated the decor with modern pieces, like these steel tables by the artist Coralla Maiuri in the sitting room.

Lucia, with her husband, Carlo, in 1988, wearing a Lancetti haute couture dress.

Odescalchi’s showroom within the palazzo walls.

Aluminium chain necklaces of her design.

A steel necklace with a gold and steel Victorian brooch.

Statues in the arcade gallery.

Odescalchi, wearing an Ermanno Scervino dress and her own jewelry.

Hair by Giulio Ordonselli; makeup by Martina D’Andrea at Atomo Management; Photography assistant: Anna Brignolo; digital technician: Elisa Marchegiani; fashion assistant: Alessandra Filieri

A work by Cristiano Pintaldi hangs in the apartment.

Lucia, modeling in a catalog for Cartier, late-1980s.

An ornate chandelier is offset by a photograph of a Christmas ornament by the artist Maria Cristina Finucci.