Complex sentence: Although a French-language album, "D'eux" charted and was certified also in many non-French speaking countries such as the United Kingdom, where it peaked at number 7, setting a record for a French release.
Split into simpler sentences: Although a French-language album, "D'eux" charted and was certified in many non-French speaking countries. In the United Kingdom, it peaked at number seven, setting a record for a French release.