Complex sentence: When a son was born to the Zeiss family on 11 September 1816 as the fifth of six surviving children, the newborn son was baptized in honor of his godfather the crown prince and his father the archduke, Carl Friedrich.
Split into simpler sentences: When a son was born to the Zeiss family on 11 September 1816 as the fifth of six surviving children. The newborn son was baptized in honor of his godfather the crown prince and his father the archduke, Carl Friedrich.