Grand Valley Identifiers

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The Grand Valley Identifiers are a standard identification procedure for all children from the Grand Valley orphanages. Similar to the Numbering system used in Grace Field House, they are likely marked shortly after birth and before they are sent to live on the plantations. However, while the Grace Field House orphans' identifiers are on their necks, the Grand Valley children marks are across the chest. Mamas, Sisters, and Grandma like any other adult human in the Hierarchy of the demons, presumably also have an identifying number.

Understanding
The Grand Valley Identifiers consist of a single letter followed by a Roman numeral, then a sequence of 3 numbers, a dash, and a second 3 number sequence. It is so far not known how the identifiers can be decoded.

Grand Valley orphans with currently unknown identifiers

 * Lucy
 * Jake
 * Monica
 * Mary
 * Fred
 * Michael
 * Johnny
 * Elliot
 * Malcolm
 * Windmill Boy
 * Lala
 * Emilia
 * Sophie
 * Oliver's brother
 * Sonya's brother
 * Sonya's friend
 * Sandy's friend
 * 28 unnamed children
 * Numerous other Grand Valley Orphans