Complex sentence: Stemming from experiences with the Spanish Inquisition while accompanying his father, Wyatt developed an aversion to the Spanish government, which greatly affected him when he learned of Queen Mary's decision to marry Philip of Spain.
Split into simpler sentences: Stemming from experiences with the Spanish Inquisition while accompanying his father, Wyatt developed an aversion to the Spanish government. This aversion greatly affected Wyatt when he learned of Queen Mary's decision to marry Philip of Spain.