Royal Family Ranking System

Royal Ranking System has subdivided into two ranks from lower and upper ranking. It has the same merit just like the original setting in the real world.

Light Novel Set

 * 1) Upper Rank 1: King
 * 2) Upper Rank 2: Crown Prince
 * 3) Lower Rank 2: Duke
 * 4) Upper Rank 3: Minister - Types
 * 5) Lower Rank 3: Marquis
 * 6) Rank 4: Count
 * 7) Rank 5: Viscount
 * 8) Rank 6: Barony
 * 9) Rank 7: Knights/Baron (Heritage)
 * 10) Rank 8: Knight (Lifetime of Service)
 * 11) Rank 9: Knight (Lifetime of Service)

In Web Novel
There's Rank 0 which divides it into two.
 * 1) Upper Rank 0: Emperor
 * 2) Lower Rank 0: Demon Lord (魔王)

Promotion
As the original nobles of the Holfort Kingdom were all great adventures, a person can increase his or her noble rank through adventuring success or military accomplishments. Outside of those two methods, at least 3 generations of loyal work to the kingdom i necessary to raise a family's rank.