How to implement three languages with a subfolder /blog on a .com domain?

[dexport]

Hi,

I'm setting up a blog for a client that has a .com domain.

The client is targeting three languages with the subfolder /de, /nl and /en. We've also established that a blog rather be used in a subfolder than subdomain.

My question:

How should we implement the three languages? Is this gonna be a domain.com/blog/en or domain.com/en/blog or would you maybe don't use subfolders for language at all but let a hreflang do the job?

[gfiorelli1]

The ideal should be maintaining the same structure of the site, hence /en/blog.

Said that, if that is not possible (i.e.: different cms for the site and the blog), using the other solution (blog/de/, blog/nl/...) would be fine.