Complex sentence: Rowland began dating American football player Roy Williams in 2004 and they became engaged later that year, however, the couple called off their engagement in January 2005, two months prior to the planned wedding ceremony in March.
Split into simpler sentences: Rowland began dating American football player Roy Williams in 2004 and they became engaged later that year. However, the couple called off their engagement in January 2005, two months prior to the planned wedding ceremony in March.