Keywords: George Romney - Robert, 9th Baron Petre demonstrating the use of an écorché figure to his son, Robert Edward.gif Artwork creator George Romney 1775-6 Oil on canvas cm 76 63 2 McMaster Museum of Art object history credit line www mcmaster ca PD-old-100 Portrait paintings by George Romney McMaster Museum of Art Petre family 1775c 1775 oil on canvas paintings Portrait 1776 oil on canvas paintings Portrait 1775 portrait paintings from Great Britain Male 1776 portrait paintings from Great Britain Male 18th-century family portraits 1775c 18th-century men of Great Britain 1775c 18th-century oil portraits of sitting men at half length 1775c 18th-century portrait paintings in Canada 1775c 18th-century profile portrait paintings of men 1775c Portraits of fathers and sons 1775c Statuettes in portrait paintings 1775c |