Tensei Shitekara 40-nen. Sorosoro, Ojisan mo Koi ga Shitai. Nidome no Jinsei wa Harem Route?! - Ch. 34

[Showman26]

the daughter s an elf and he's not, so possible a euphemism for a slave or the daughter he had with a slave.

Well he is not the only example.

Let's take Duke and his daughter, and our 2nd main heroine's father. Earlier they want their daughters to marry that fat-old bastard but as the MC gets higher position with King's as support, they present their daughters to him.