Complex sentence: Lannister bannerman Ser Amory Lorch (Fintan McKeown) demands Yoren hand over Gendry (Joe Dempsie), and when Yoren refuses, a battle ensues, and Yoren and his men are killed.
Split into simpler sentences: Lannister bannerman Ser Amory Lorch (Fintan McKeown) demands Yoren hand over Gendry (Joe Dempsie). When Yoren refuses, a battle ensues, and Yoren and his men are killed.