Complex sentence: Arcesilaus and Eryxo, had a child who was the future Cyrenaean King Battus III. Plutarch states Arcesilaus had another paternal cousin called Polyarchus, who was Eryxo's eldest brother and also had other paternal male cousins, however the historian doesn't give their names.
Split into simpler sentences: Arcesilaus and Eryxo, had a child who was the future Cyrenaean King Battus III. Plutarch states Arcesilaus had another paternal cousin called Polyarchus, who was Eryxo's eldest brother. Arcesilaus also had other paternal male cousins, though the historian doesn't give their names.