Guillaume Van Strydonck (1861-1937), the portrait of madam van der Stappen, 49 x 59 cm Van Strydonck G., the portrait of madam van der Stappen, seen in profile, leaning into a couch, the spouse of the sculptor Charles van der Stappen, dated 1905, signed to the top left corner, oil on canvas, 49 x 59 cm Added: Charles van der Stappen (1843-1910), a patinated plaster bust of madam Van Strydonck, the spouse of the painter Guillaume van Strydonck, unsigned, H 64,5 cm Guillaume Van Strydonck and Charles van der Stappen were both members of the avant-garde group 'Les XX'. Above this, they were dear friends, as shown in these two portraits of each other wives.