Complex sentence: However, when the relationships between Alfonso and queen suddenly worsened after the arrest of Joanna's lover and prime minister, Gianni Caracciolo, the queen moved to Aversa where Louis joined her.
Split into simpler sentences: However, when the relationships between Alfonso and queen suddenly worsened. After the arrest of Joanna's lover and prime minister, Gianni Caracciolo, the queen moved to Aversa where Louis joined her.