The Dioskouroi and their sisters grew up in Sparta, in the royal household of Tyndareus; they were particularly important to the Spartans, who associated them with the Spartan tradition of dual kingship and appreciated that two princes of their ruling house were elevated to immortality. Their connection there was very ancient: a uniquely Spartan aniconic representation of the Tyndaridai was as two upright posts joined by a cross-bar; as the protectors of the Spartan army the beam figure or dókana was carried in front of the army on campaign. Sparta's unique dual kingship reflects the divine influence of the Dioscuri. When the Spartan army marched to war, one king remained behind at home, accompanied by one of the Twins. In this way the real political order is secured in the realm of the Gods.