Apollo and Diana for 'The Destruction of Niobe's Children'; George Romney; 1734-1802; British; undated; Brown ink and graphite on medium moderately textured beige laid paper; Sheet: 12 5/8 x 20 5/8 inches (32.1 x 52.4 cm); Apollo and Diana kill Niobe's children; arrows; children; destruction; Greek; heroine; legend; murder; religious and mythological subject; suffering; Suffering; misfortune of Niobe; Boeotia; Greece; Thebes; Vo眢t韆