Complex sentence: Their mission is to have Carruthers accepted as a clan in their own right, based on their colourful past and recorded history and having played an active part in the Border Reiver activities in the West March of the Anglo-Scottish Border for over 300 years.
Split into simpler sentences: Their mission is to have Carruthers accepted as a clan in their own right. This riding family have a colourful past and well recorded history and played an active part in the Border Reiver activities in the West March of the Anglo-Scottish Border for well over 300 years.