Complex sentence: Her father, Emory Johnson, had been a fairly successful silent film actor from 1913 through 1922, and her brother Richard Emory started acting in 1949, mostly in western films.
Split into simpler sentences: Her father, Emory Johnson, had been a fairly successful silent film actor from 1913 through 1922. Her brother Richard Emory started acting in 1949, mostly in western films.