Complex sentence: After Prince Henry's death Winniffe became chaplain to Prince Charles, but on 7 April 1622, when the Spaniards were overrunning the Electorate of the Palatinate, he gave offence by a sermon denouncing Gondomar, and comparing Spinola with the devil.
Split into simpler sentences: After Prince Henry's death Winniffe became chaplain to Prince Charles. However, on 7 April 1622, when the Spaniards were overrunning the Electorate of the Palatinate, Winiffe preached a sermon denouncing Gondomar, and comparing Spinola with the devil.