Original sentence: Beethoven was born of this marriage in Bonn, on December 16, 1770, and was baptized in a Roman Catholic service the next day.The elder Ludwig was employed as a bass singer at the court of the Elector of Cologne, rising to become a Kapellmeister (music director)
Edited sentence: Beethoven was born of this marriage in Bonn, probably on 16 December 1770, and baptized in a Roman Catholic service the next day.The elder Ludwig was employed as a bass singer at the court of the Elector of Cologne, rising to become Kapellmeister (music director)