Radeker, Johannes 'Jan' bap.11.mar.1738-12.nov.1799 Netherlands, Haarlem - Haarlem
organist, carilonneur, 1756-1763 organist of the new Muller organ at the Grote Kerk in Beverwijk, 7.sep.1763 second and 5.jul.1771 first organist of the Grote of St Bavokerk in Haarlem ; son of Henricus Radeker (1708-5.jul.1771) and Anna Catharina Schats (died 1752) ; 28.apr.1765 he married Johanna Meyer (died may.1781) ; nov.1781 he married Margaretha Scheltinga (died 1788)