The painting Portrait of Wanda Szwengruben née Ciąglińska, artist’s sister features a woman in a thoughtful pose. She is dressed in a modest yet elegant outfit, with soft colors that create a warm atmosphere. The background is subtly blurred, drawing attention to her face and expression.

The use of light highlights her features, giving the painting a lifelike quality. This artwork is executed in oil on canvas, a medium that allows for rich color and texture. The brushwork is smooth, contributing to the realistic portrayal of the subject. The dimensions are approximately 60 x 80 cm, making it a medium-sized portrait.

The artist's attention to detail is evident in the rendering of the fabric and the softness of her skin. Jan Ciągliński, the artist, was known for his portraits that often depicted family members and friends. This particular work showcases his skill in capturing the essence of his subjects. An interesting fact about this painting is that it reflects the close relationship between the artist and his sister, Wanda, emphasizing the personal connection in his work.