You can learn a lot from each gravesite and that is the object of this cache. The three pieces of information you need to determine are:
1. Age (baby, youth, adult)
2. Social status (royalty, rich, poor)
3. Gender (male or female)
The cache is located at BabyPoorFemale, YouthRichMale, BabyRoyaltyMale, AdultRichMale, King, AdultPoorFemale
You can check your answers for this puzzle on Geochecker.com.