Apollonius (or Apollonii), Willem
a Reformed theologian, was born at Veer, in Zealand, at the commencement of the 17th century, and died in 1657. He published, Disputationes de Lege Dei (Middelburg, 1655). But he is especially known by his controversy with Nic. Vedel upon- the limit of the power of a sovereign in ecclesiastical affairs. The Work is entitled Jus Majestatis circa Sacra, seu de Jure Magistratus circa Res Ecclesiasticas, contra Nic.: Vedelii Tractatum de Episcopatu Constantini Magni (Middelburg, 1642); a controversy of which Thomasius has given an account in his Historia Contentionis inter Imperium et Sacerdotium (Halle, 1722). See Hoefer, Nouv. Biog. Generale, s.v.