Answer:
Spartan political system was a combination of monarchy (kings), oligarchy (Gerousia) and democracy (ephoroi, ephors). Oligarchy– Sparta always had two kings, the state was ruled by two hereditary kings of the Agiad and Eurypontid families (probably the two gens had great merits in the conquest of Laconia).
The professional consequence
Don't take my word, but it could have been because they were closer to Austria