Complex sentence: Readford was the better known of two bushrangers known by the name of Captain Starlight, the other being Frank Pearson, who was known as Captain Starlight in 1868, twenty one years prior to the publication of the novel in 1889.
Split into simpler sentences: Readford was the better known of two bushrangers known by the name of Captain Starlight. The other being Frank Pearson, who was known as Captain Starlight in 1868, twenty one years prior to the publication of the novel in 1889.