Finding a manhwa with a duke with a vag and a penis who wants an offspring

I'm not sure if this the right one but it may be this?

https://www.mangago.me/read-manga/the_duke_wants_to_have_an_heir/

Ohhoho I know exactly what you're lookin' for hahaha
https://www.mangago.me/read-manga/the_duke_wants_to_have_an_heir/

I've only read a few chapters so idk if it lines up or not sorry

Yess it’s this one, thank you!