Complex sentence: D'Esnambuc died in 1636, leaving the company and Martinique in the hands of his nephew, Jacques Dyel du Parquet, who in 1637, became governor of the island.
Split into simpler sentences: D'Esnambuc died in 1636, leaving the company and Martinique in the hands of his nephew, Du Parquet. In 1637, his nephew Jacques Dyel du Parquet became governor of the island.