Triple

Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).

Phrase: Reginald de Dunstanville, 1st Earl of Cornwall | Statement: [Earl of Cornwall, notableHolder, Reginald de Dunstanville, 1st Earl of Cornwall]

Target entity: Reginald de Dunstanville, 1st Earl of Cornwall
Context triple: [Earl of Cornwall, notableHolder, Reginald de Dunstanville, 1st Earl of Cornwall]

• A. Richard, 1st Earl of Cornwall
  Richard, 1st Earl of Cornwall was a 13th-century English prince, wealthy magnate, and elected King of the Romans who played a significant role in European politics during the reigns of his brother Henry III and beyond.
• B. Edmund, 2nd Earl of Cornwall
  Edmund, 2nd Earl of Cornwall was a 13th-century English nobleman and influential landowner who served under King Edward I and was known for his wealth, piety, and patronage of religious institutions.
• C. Edward de Bohun
  Edward de Bohun was an early 14th-century English nobleman of the influential de Bohun family, notable as a grandson of King Edward I through his mother, Elizabeth of Rhuddlan.
• D. Charles de Courtenay
  Charles de Courtenay was a French nobleman of the medieval House of Courtenay, a cadet branch historically linked to the Capetian dynasty.
• E. Richard Marshal, 3rd Earl of Pembroke
  Richard Marshal, 3rd Earl of Pembroke, was a prominent 13th-century Anglo-Norman nobleman and military leader who became one of the most powerful magnates in England and Ireland and famously rebelled against King Henry III.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"

Entity: Reginald de Dunstanville, 1st Earl of Cornwall
Triple: [Earl of Cornwall, notableHolder, Reginald de Dunstanville, 1st Earl of Cornwall]

Reginald de Dunstanville, 1st Earl of Cornwall, was a 12th-century Anglo-Norman nobleman and illegitimate son of King Henry I of England who became a prominent regional magnate and royal supporter during the civil war known as The Anarchy.

Target entity: Reginald de Dunstanville, 1st Earl of Cornwall
Target entity description: Reginald de Dunstanville, 1st Earl of Cornwall, was a 12th-century Anglo-Norman nobleman and illegitimate son of King Henry I of England who became a prominent regional magnate and royal supporter during the civil war known as The Anarchy.

• A. Richard, 1st Earl of Cornwall
  Richard, 1st Earl of Cornwall was a 13th-century English prince, wealthy magnate, and elected King of the Romans who played a significant role in European politics during the reigns of his brother Henry III and beyond.
• B. Edmund, 2nd Earl of Cornwall
  Edmund, 2nd Earl of Cornwall was a 13th-century English nobleman and influential landowner who served under King Edward I and was known for his wealth, piety, and patronage of religious institutions.
• C. Edward de Bohun
  Edward de Bohun was an early 14th-century English nobleman of the influential de Bohun family, notable as a grandson of King Edward I through his mother, Elizabeth of Rhuddlan.
• D. Charles de Courtenay
  Charles de Courtenay was a French nobleman of the medieval House of Courtenay, a cadet branch historically linked to the Capetian dynasty.
• E. Richard Marshal, 3rd Earl of Pembroke
  Richard Marshal, 3rd Earl of Pembroke, was a prominent 13th-century Anglo-Norman nobleman and military leader who became one of the most powerful magnates in England and Ireland and famously rebelled against King Henry III.
• F. None of above. chosen