Lady Sarah MacDonnell daughter of Randal MacDonnell, 1st Earl of Antrim (b. 1610) Parents Ellis MacDonnell, Countess of Antrim Randal MacDonnell, 1st Earl of Antrim Children Florence McCarthy More Elizabeth McCarthy Catherine McCarthy Sir Henry O'Neill, 1st Bt. Charles McCarthy Siblings Alexander MacDonnell, 3rd Earl of Antrim Randal MacDonnell, 1st Marquess of Antrim Lady Rose MacDonnell Lady Alice MacDonnell Lady Mary MacDonnell Lady Anne MacDonnell Lady Catherine MacDonnell Partners Donal McCarthy More Niall Óg O'Neill