Fine Art Studio Family Portrait with Rembrandt Lighting

Create a fine-art studio family portrait using the uploaded reference image for exact identity matching of all four subjects. Preserve age, facial structure, skin tone, hair, facial hair, and natural features without beautification or identity drift. Mother centered in cream ribbed sweater, seated forward, smiling, right arm around daughter, left hand holding father’s hand. Father slightly behind right in charcoal/navy wool overshirt over tan/camel sweater, gently touching mother’s head, left hand on son’s shoulder, warm smile. Daughter left in beige/oatmeal linen dress, hands in lap, leaning inward. Son right foreground in tan T-shirt, brown corduroy shirt and trousers, joyful smile, relaxed on rug. Tight triangular composition with natural family contact. Neutral woven rug on wood floor; dark painterly charcoal/bronze backdrop with vignette. Soft upper-left Rembrandt key light, subtle rear-right rim, gentle falloff and catchlights. Earth-tone palette, 85mm, f/1.8–2.8, shallow DOF, tack-sharp subjects, soft background blur, warm fine-art grading, ultra-high-resolution 8K, 4:5.