Complex sentence: Sir David Lyndsay (c.1490-c.1555), Scottish poet, was the son of David Lyndsay of the Mount, near Cupar-Fife, and of Garmylton, near Haddington.
Split into simpler sentences: Sir David Lyndsay (c.1490-c.1555) was a Scottish poet. He was the son of David Lyndsay of the Mount, near Cupar-Fife, and of Garmylton, near Haddington.