Grammar; Rectangular monochrome stained glass window with allegorical representation of Grammar; one of the liberal arts. She is presented here as an older teacher who sits in a wicker chair and teaches her students. The window is set in a 19th-century glass frame. This frame shows male heads in the four corners.; Jacob de Gheyn (I) (possibly); after 1565 - in or before 1582; glass; l 28 cm x w 23.5 cm l 35.5 cm x w 31.7 cm