Complex sentence: Celer is speculated as the basis for the stubborn, obtuse cuckold in a contemporary poem by Catullus, probably well circulated in its day; but the couple were also known for their blazing public rows.
Split into simpler sentences: Celer is speculated as the basis for the stubborn, obtuse cuckold in a contemporary poem by Catullus, probably well circulated in its day. The couple were also known for their blazing public rows.