Johann van Beethoven was born 14 November 1740 in Bonn, Germany to Lodewijk van Beethoven (1712-1773) and Catharina Maria Josepha Poll (1714-1775) and died 18 December 1792 Bonn, Germany of unspecified causes. He married Maria Magdalena Keverich (1744-1787) .
|Offspring of Johann van Beethoven and Maria Magdalena Keverich (1744-1787)|
|Ludwig van Beethoven (1770-1827)||16 December 1770 Bonn, Germany||26 March 1827 Vienna, Austria|
|Kaspar van Beethoven (1774-1815)|
|Nikolaus van Beethoven (1776-1848)|