I don't know either of those people. I don't know any of them.

I don't know either of those people.
Mwen pa konn ankenn nan moun sa yo.
Mwen pa konn youn nan moun sa yo.
or
Mwen pa konn yon grenn nan moun sa yo.

I don't know any of them.
Mwen pa konn ankenn ladan yo.
Mwen pa konn youn ladan yo.

Haitian Creole ↔ English Reference, Look up Haitian Creole and English Words