Complex sentence: His Household Cavalry (tis aulis) numbered 700 men and the local (egchorioi) and Libyan horse, another 2,300 men had as appointed general Polycrates of Argos and those from Greece and the mercenaries were led by Echecrates the Thessalian.
Split into simpler sentences: His Household Cavalry (tis aulis) numbered 700 men and the local (egchorioi) and Libyan horse, another 2,300 men, had as appointed general Polycrates of Argos. Those from Greece and the mercenaries were led by Echecrates the Thessalian.