Complex sentence: Gustave de Jonghe painted many scenes of mothers with their children (usually a daughter) in intimate settings, which through the choice of pose, clothing and setting characterize the type of person represented.
Split into simpler sentences: Gustave de Jonghe painted many scenes of mothers with their children (usually a daughter) in intimate settings. Through the choice of pose, clothing and setting de Jonghe characterized the type of person represented.