Hi rodrigob, > //c = _d; // <<< this line generates error : 'c' was not declared > in this scope Yep, that is an error. That line (if uncommented) is bad C++. > this->c = _d; // this access work fine Yep, that is correct. That's C++. > Parent<T2>::c = _d; // this access work fine too Yep, that is correct. That's C++, too. In Child, I think you can also use something like: using Parent<T2>::c; Google for "Koenig lookup" (two phase lookup) if you want details. Here's one URL: http://h21007.www2.hp.com/dspp/tech/tech_TechDocumentDetailPage_IDX/1,1701,9 90,00.html HTH, --Eljay
