Statistics for occurrence #1 of “Sidon” in book 5, card 559 of P. Vergilius Maro, Aeneid:
...face lifted high.
Next Atys rode, young Atys, sire to be
of th' Atian house in Rome, a boy most dear
unto the boy Iulus; last in line,
and fairest of the throng, Iulus came,
astride a steed from Sidon , the fond gift
of beauteous Dido and her pledge of love.
Close followed him the youthful chivalry
of King Acestes on Trinacrian steeds.
...