Holtzel in Latvia

Research Holtzel family in Riga, Latvia.
Eduard Johann Holtzel b abt 1803 wife Karoline nee Brink.
Their son Alexander Ludwig b 1830 m. Julia Annette Engelin 1853 in St. Gertrude Kirche, Riga. CHildren Arthur Fridrich and Alexander. Alexander moved to Denmark. Arthur moved to St. Petersburg, Russia, then back to Latvia.
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Am looking to connect to other Holtzel/Heltzel etc families.