Complex sentence: In 1680 Archibald had his lands erected into a Barony by Charles II of England called the Barony of Strathlachlan which was centred around Lachlan Castle.
Split into simpler sentences: In 1680 Archibald had his lands erected into a Barony by Charles II of England. This barony was called the Barony of Strathlachlan, and was centred around Lachlan Castle.