Lydius, Johannes (1), a German theologian, brother of Balthasar, was born at Frankfort about 1577, and became pastor at Oudewater (the birthplace of Arminius) in 1602. He died in 1643. Like his brother Balthasar, he is noted for his opposition to Arminianism. He was the editor of the works of Clemanges, Wessels, etc. See Herzog, Real-Enclcyklop. 20:64.