Charles Willson Peale, _Staircase Group (Portrait of Raphaelle Peale and Titian Ramsay Peale I)_ , 1795, oil on canvas, 89-1/2 x 39-3/8 inches / 227.3 x 100 cm (Philadelphia Museum of Art). View this work up close in the [Google Art Project](http://www.googleartproject.com/collection/philadelphia-museum-of-art/artwork/staircase-group-portrait-of-raphaelle-peale-and-titian-ramsay-peale-charles-will
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