Johannes Isacius Pontanus

Portrait of Charles of Egmond Johannes Isacius Pontanus

Johannes Martinus Messchaert Singer and singing teacher Jan Veth

Portrait of John Fred Gronovius Johannes Willemsz. Munnickhuysen

Portrait of Johannes Antonius Tucher Johannes Antonius Tucher

Portrait of Johann Sigismund Caspar Ensius

Portrait of Johannes van der Waaijen Zacharias Blijhooft

Vertumnus and Pomona Jan Tengnagel

Portrait of Johann Adolf Tassius 1652 Juriaen Jacobsz

Portrait of Johannes Michaelius, Joshua Offermans Cornelis Boey

Portrait of Joannes Fredericus Gronovius, Philologist and Jurist, Professor in Leiden The Netherlands Jan Maurits Quinkhard

Portrait of theology professor Johannes Cocceius Johannes Tangena

Saint John the Evangelist on Patmos, c. 1505 Hieronymus Bosch

Portrait of Dirck, Johannes or Jacobus Wallis Johannes Cornelisz. Verspronck

Johannes Puttkammer, Doctor of Divinity in Utrecht, on his Deathbed Hendrick Bloemaert

Johannes Kepler, German astronomer, c1600, (c1870) Unknown

Peter and Johannes among their students Hieronymus Cock

Johannes Kepler, German astronomer, early 17th century, (c1903) Unknown

Portrait of Johannes Frederik Lodewijk Schröder Johannes Philippus Lange

H. Pantaenus of Alexandria, Church Father Jan Goeree

John on Patmos Anonymous

17th-Century Engraving of Johannes Hevelius Using a Sextant Anonymous

Portrait of Johan de Reus Pieter van der Werff

St Johann in the region of Pongau, Salzburg, Austria Wurthle & Sons

Johannes Hermanus Molkenboer, Art Collector Mattheus Ignatius van Bree

Portrait of Johann Froben, Lambert Visscher Johannes de Ram

Johannes Hevelius using telescope Anonymous

Portrait of Johannes Jacobus Vitriarius Hieronymus van der Meij

Johannes Hevelius, German astronomer, 1673 Unknown

Portrait of Martinus Antonius Kuytenbrouwer Johannes Christiaan d'Arnaud Gerkens

Duke John I of Brabant Anonymous

Elector Johann Freidrich ven Sachsen, 1550-51 Titian

Johann Reuchlin French School

Johann I, the Constant, Elector of Saxony, 1532-33 Lucas Cranach the Elder

Portrait of Johan Ernst I, Count of Nassau-Siegen Workshop of Jan Antonisz van Ravesteyn

Portrait of John Spaan Jacobus Loveringh & Johannes Allart

Portrait of Henry Ebbius Monogrammist AVK