Complex sentence: He and his wife Joan ended their lives by assisted suicide at the Dignitas clinic in Switzerland on 10 July 2009 with family members issuing a statement speaking of "serious health problems" suffered by the couple.
Split into simpler sentences: He and his wife Joan ended their lives by assisted suicide at the Dignitas clinic in Switzerland on 10 July 2009. Family members issued a statement speaking of "serious health problems" suffered by the couple.