I'm trying to understand this use of Eux followed by Ils

I know my construction is incorrect, but I'm struck by the solution using Eux, Ils étudient le francais.

I looked for more examples of using Eux, but didn't come across any with Eux, Ils...

I know my construction is incorrect, but I'm struck by the solution using Eux, Ils étudient le francais.

I looked for more examples of using Eux, but didn't come across any with Eux, Ils...