Johann (Jan) Serrurier - Bigamy? Wrong Parents?

https://www.geni.com/merge/compare/6000000015651907768?return=match%3B&to=6000000035226759397

Something is wrong here: If Johann (Jan) Serrurier and Johan Jakob Serrurier are the same man, with the same parents - Louis Serrurier and Esther de Vis then the man seems to be a bigamist

Johann (Jan) Serrurier
Birth circa 1720 in Hanau.
x on 5 November 1747 de Caep de Goede Hoop, Catharina Kretzschmar, daughter of Johann Basilius Kretzschmar and Hermina Herwig
xx on 23 November 1755 de Caep de Goede Hoop, Geertruij van Reenen, daughter of Jacob van Reenen and Johanna Siekermans
https://www.e-family.co.za/ffy/g15/p15020.htm

Johan Jakob Serrurier
Birth: 1724 Hanau, Darmstadt, HE, Germany - Death: 30 November 1804 (79-80) Den Haag, Netherlands
x 09-04-1751, Amerongen, Utrecht, Netherlands, Johanna van der Streng
https://hetutrechtsarchief.nl/onderzoek/resultaten/archieven?mivast...

Bigamy? One of them has the wrong Parents?'Or could he just not make up his mind which country he wanted to live in?