Edit: Links didn't work.
A Portrait of the Artist's Sisters: https://womennart.files.wordpress.com/2018/11/the_chess_game...
Lady With an Ermine: https://www.legendarte.shop/pimages/Curiosita-sul-dipinto-Da...
A Portrait of the Artist's Sisters: https://womennart.files.wordpress.com/2018/11/the_chess_game...
Lady With an Ermine: https://www.legendarte.shop/pimages/Curiosita-sul-dipinto-Da...
As a side note, I’ve often thought that maybe facial structures were just different back then and these works really ARE realistic. Harder lives, more homogenous groups, or maybe even inbreeding led to different looking people!