I just did this right now. They look remarkably similar, no? I'm willing to bet they are brothers. Cor's nose is a bit thinner, and his ears stick out más (how cute heheh). His eye shape is also slliiiightly different.
foto
cor
leonis
This Final fantasía XV foto might contain
retrato, tiro en la cabeza, primer, headshot, primer plano, en la cabeza, and closeup.