Johannes van Walbeeck
Jan, Johan or Johannes van Walbeeck( 1602, Amsterdam – after 1649) was a Dutch navigator and cartographer during a 1620s circumnavigation of the earth, an admiral of the Dutch West India Company, and the first governor of the Netherlands Antilles.
Johannes van Spengen
Johannes van Spengen( 20 February 1887 – 9 June 1936) was a Dutch cyclist.
He competed in five events at the 1908 Summer Olympics.
John Case (Aristotelian writer)
John Case( or Johannes Casus)( died 1600) was an English writer on Aristotle.
Jan Vermeulen
Johannes van der Molen or Johannes Jan Vermeulen was a still- life painter during the Dutch Golden Age.
He was active in Haarlem from 1638 to 1674.
His specialty was the Vanitas, a style of painting meant to symbolize the transience of life.
Many of them feature books.
Johannes van Bronckhorst
Johannes van Bronckhorst( 1648–1727) was a Dutch Golden Age painter.
Johannes van Mildert
Johannes van Mildert or Hans van Mildert( alternative names: Joannes van Mildert, Johannes Van Milder, and nickname" den Duyts")
( Königsberg, 1588 – Antwerp, 1638) was a Flemish sculptor, who is best known for his baroque sculptures found in many Belgian and Dutch churches.
Gerald Ketchum
Rear Admiral Gerald L. Ketchum (5 December 1908 – 22 August 1992) was a career officer in the United States Navy.
He served during World War II and the Korean War.
He was a recipient of the Silver Star and also participated in four expeditions to Antarctica.
Johan Bara
Johan Bara or Johannes Barra( 1581–1634) was a Dutch painter, designer and engraver.
Johannes van der Bent
Johannes van der Bent( c. 1650–1690), was a Dutch Golden Age painter.
Johannes van den Bergh
Johannes van den Bergh( born 21 November 1986) is a German professional footballer who plays as a left back for Holstein Kiel.

Question: Who is older, Gerald Ketchum or Johannes Van Spengen?
Answer: Johannes Van Spengen