Complex sentence: Lady Grizel Baillie (1665--1746), Scottish song-writer, eldest daughter of Sir Patrick Hume or Home of Polwarth, afterwards earl of Marchmont, was born at Redbraes Castle, Berwickshire, on December 25 1665.
Split into simpler sentences: Lady Grizel Baillie (1665--1746) was a Scottish song-writer, the eldest daughter of Sir Patrick Hume or Home of Polwarth, afterwards earl of Marchmont. She was born at Redbraes Castle, Berwickshire, on December 25 1665.