Complex sentence: Michael Llewelyn Davies (June 1900-19 May 1921) was the fourth (second youngest) son of Arthur and Sylvia Llewelyn Davies, and along with his brothers was the inspiration for J. M. Barrie's characters Peter Pan and the Lost Boys.
Split into simpler sentences: Michael Llewelyn Davies (June 1900-19 May 1921) was the fourth (second youngest) son of Arthur and Sylvia Llewelyn Davies. Along with his brothers, he was the inspiration for J. M. Barrie's characters Peter Pan and the Lost Boys.