Among the following groups of words above, the one that is a subordinate clause is, while they play is about the younger family. A subordinate clause is a clause that consists of a subject and a verb, but cannot stand alone because it does not convey a complete thought. A subordinate clause is often introduced by subordinating conjunction. In this answer, the subordinating conjunction used is the word "while".
It states that she has become better known than her husband, her paintings are widely sought after, and the Mexican government publicly proclaimed her work a national treasure. It focuses on these things.
