Portrait of Marguerite Khnopff

Khnopff executed the portrait with a highly restrained palette dominated by whites, grays, muted browns, and soft ochres. Light falls evenly from the left, creating only subtle shadows across the pale gray walls, warm brown wooden floor, and simple baseboard molding. The surface is smooth with minimal visible brushwork, resulting in a matte, refined finish. The composition is vertical and symmetrical, emphasizing the slender form of the subject against the flat architectural backdrop. A round golden object hangs on the wall to her left, and her left arm is bent behind her back, with only the hand visible at her waist. Stylistically, the work remains clearly under the influence of Impressionism, particularly the tonal harmonies and compositional arrangements of James McNeill Whistler, whom Khnopff greatly admired.

The portrait was one of Khnopff's favorite works and served as the central element of the blue room in his Brussels villa, a sanctuary where he kept his most cherished pieces. Upon the artist's death, the painting rightfully passed to Marguerite, who guarded it just as zealously. In memory of her brother, she created her own blue room, keeping the canvas hidden from public view. The work remained within the family until 1984. In 1991, the painting was put up for sale at Christie's in New York. The Heritage Fund of the King Baudouin Foundation acquired it with support from the National Lottery and placed it on loan at the Royal Museums of Fine Arts of Belgium in Brussels, where it remains on display today.

Fernand Khnopff remained a bachelor for most of his life, marrying Marthe Worms, who was sixteen years his junior, only at age fifty, a marriage that dissolved less than three years later. This isolation reflected his personal motto, On n'a que soi (one has only oneself), which he inscribed above his Brussels villa. He maintained a passionate, intimate relationship with his sister Marguerite, painting her numerous times. In his 1889 work Memories (Lawn Tennis), he depicted her seven times in an idealized, dreamlike vision detached from space and time, marking his definitive shift toward Symbolism and foreshadowing Surrealism. The 1887 portrait of Marguerite, however, captures an earlier stylistic moment, bridging his Impressionist influences and his emerging Symbolist iconography of the seraphic, inaccessible woman.

The Portrait of Marguerite Khnopff has maintained a prominent place in the study of Belgian Symbolism, evidenced by its inclusion in numerous major international exhibitions. Its exhibition history includes shows such as Der Kuss der Sphinx, Fernand Khnopff: Untiefen der Seele, Gustav Klimt und das europäische Frauenbildnis, and La Belgique Dévoilée. The painting's exploration of psychological isolation, ambiguous desire, and enigmatic female iconography has cemented its reputation as a precursor to Surrealist concerns. The eventual acquisition by the King Baudouin Foundation ensured its preservation and public accessibility, securing its status as a cultural treasure and a focal point for scholarly debate regarding Khnopff's complex personal and artistic legacy.