Sir Joshua Reynolds, Lady Cockburn and Her Three Eldest Sons, 1773, oil on canvas, 55-3/4 x 44-1/2 inches (141.5 x 113 cm) (National Gallery, London) Speakers: Pippa Couch and Rachel Ropeik. Created by Beth Harris and Steven Zucker.
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Sir Joshua Reynolds, Lady Cockburn and Her Three Eldest Sons, 1773, oil on canvas, 55-3/4 x 44-1/2 inches (141.5 x 113 cm) (National Gallery, London) Speakers: Pippa Couch and Rachel Ropeik. Created by Beth Harris and Steven Zucker.
source