Complex sentence: The formal use of "Ratu" as a title in a name as in "Sir" in British tradition was introduced after cession of 1874, prior to this a Chief would only be known by his birth name and his area specific traditional title.
Split into simpler sentences: The formal use of "Ratu" as a title in a name (as in "Sir" in British tradition) was introduced after cession of 1874. Prior to this a Chief would only be known by his birth name and his area specific traditional title.