Complex sentence: Maecenas and Augustus also had villas at Tibur, and the poet Horace had a modest villa: he and Catullus and Statius all mention Tibur in their poems.
Split into simpler sentences: Maecenas and Augustus also had villas at Tibur, and the poet Horace had a modest villa. He and Catullus and Statius all mention Tibur in their poems.