"To be grateful to/for" is reconnaitre à quelqu'un de quelque chose in my Concise Collins Robert. (I did have the big one, where's it gone? Not "pour", then.
My wife and I in a local drinking club. Two blokes, not small, 5'11" and fourteen/fifteen stone(?) standing up nearby. Two girls, not small, 5'5" and thirteen/fourteen stone(?) walk by.