Complex sentence: Eleanor was married firstly in her mid-teens to Godfrey of Hainaut, Count of Ostervant, heir to his father Baldwin IV, Count of Hainaut, the couple married in 1162 however, Godfrey died the following year, whilst preparing for a journey to Palestine.
Split into simpler sentences: Eleanor was married firstly in her mid-teens to Godfrey of Hainaut, Count of Ostervant, heir to his father Baldwin IV, Count of Hainaut. The couple married in 1162, however, Godfrey died the following year, whilst preparing for a journey to Palestine.