Seated Girl in Peasant Costume Seated Girl in Peasant Costume. Probably Gesina (1631-1690); the Painters Half-Sister; Seated young woman in a peasant girl's costume. Probably a portrait of Gesina ter Borch; the painter's half-sister. In the right hand a printed sheet of paper; sitting figure - AA - female human figure; single printed leaf: broadsheet; leaflet; Gesina ter Borch; Gerard ter Borch (II); c. 1650 - c. 1660; panel; oil paint (paint); h 28 cm x w 23 cm