Complex sentence: He paid the fine for the famous dutch poet Vondel, who got into trouble because of a playwright, in which he was reminding to the beheaded leader Johan van Oldenbarneveldt, who pleaded for peace with Spain.
Split into simpler sentences: He paid the fine for the famous dutch poet Vondel. Vondel got into trouble because of a playwright, in which he was reminding to the beheading of the leader Johan van Oldenbarneveldt, who pleaded for peace with Spain.