I've heard about it
Ah oui, j'en ai entendu parler.
Oh yeah, I've heard about it.
Je crois que j'en ai entendu parler.
I think I've heard of it.
Yes, I've heard about it.
Non, mais j'en ai entendu parler.
No, but I've heard about it.
J'en ai entendu parler, mais je le croyais perdu.
I’d heard of it, but I thought it was lost.
— Paddington 2 (2017)
J'en ai entendu parler par d'autres patients.
I heard about it from other patients.
— Mourir pour survivre (2018)