Mother &Son by Ernst Pflanz in Marienbad (Mariánské Lázně, spa town in Czech Republic), ca. 1870s-80s
Might the mother be pregnant? She seems to have a baby bump. Her son does not seem too pleased about it… Might these be the boys older sisters? The girl on the right looks a bit like the mother in the above photo.
source: Seele Kaspar Hauser on Flickr