Complex sentence: Sir John Maclean, 4th Baronet of Morvern (1670--1716) was the 20th Clan Chief of Clan Maclean from 1674 to 1716.
Split into simpler sentences: Sir John Maclean, 4th Baronet of Morvern (1670-1716). He was the 20th Clan Chief of Clan Maclean from 1674 to 1716.