This is just a portion of the whole painting, Adolf Hirémy-Hirschl’s Souls on the Banks of the Acheron.

https://www.rhdickerson.com/2018/01/weeks-art-souls-banks-acheron/

https://gurneyjourney.blogspot.com/2011/08/souls-on-banks-of-acheron.html

https://www.wikiart.org/en/adolf-hiremy-hirschl/the-souls-of-acheron-1898