Complex sentence: Jammeh married his second wife Zeinab Suma Jammeh, in 1999, and they have two children as of 2007: a daughter, Mariam Jammeh, and a son, Muhammed Yahya Jammeh.
Split into simpler sentences: Jammeh married his second wife Zeinab Suma Jammeh, in 1999. They have two children as of 2007, a daughter, Mariam Jammeh, and a son, Muhammed Yahya Jammeh.