Complex sentence: They married on November 28,2011, spending their honeymoon in Karlscrona, Sweden, and their witnesses were Kinga Zduńska and Piotr Zduński.
Split into simpler sentences: They married on November 28,2011 and spent their honeymoon in Karlscrona, Sweden. Their witnesses were Kinga Zduńska and Piotr Zduński.