Die Geschwister Emma; Fritz; Eduard and Caroline Nirrnheim; Staatliche Landesbildstelle Hamburg; Collection on the History of Photography; daguerreotype; picture size (light measure): height: 9.2 cm; width: 7.1 cm; inscribed: in blue ink on the back wall: Emma Nirrnheim; later married Peters; Fritz Louis Nirrnheim; Eduard Nirrnheim; Caroline Nirrnheim; portrait photography; siblings; group portrait; young man; adolescent; young woman; girl; sitting figure; family; kinship; descent; Emma Nirrnheim