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: Ralph de Mortimer | Statement: [House of Mortimer, hasMember, Ralph de Mortimer]

Target entity: Ralph de Mortimer
Context triple: [House of Mortimer, hasMember, Ralph de Mortimer]

• A. Roger Mortimer, 1st Earl of March
  Roger Mortimer, 1st Earl of March, was a powerful 14th-century English nobleman who led the rebellion against King Edward II and effectively ruled England during the early reign of Edward III before being overthrown and executed.
• B. Roger Mortimer of Wigmore
  Roger Mortimer of Wigmore was a powerful 13th–14th century English Marcher lord and military commander, notable as the father of Roger Mortimer, 1st Earl of March, and a key figure in the politics of the Welsh borderlands.
• C. Edmund Mortimer
  Edmund Mortimer was an English nobleman of the late 14th and early 15th centuries, notable for his disputed claim to the English throne and his involvement in the political conflicts surrounding the reign of Henry IV.
• D. Edmund Mortimer, 2nd Baron Mortimer
  Edmund Mortimer, 2nd Baron Mortimer, was a prominent 13th-century English nobleman and Marcher lord who expanded the Mortimer family’s power along the Welsh border through military service and strategic alliances.
• E. Roger Mortimer, 4th Earl of March
  Roger Mortimer, 4th Earl of March was a prominent late 14th-century English nobleman and heir presumptive to King Richard II, whose lineage played a key role in the Yorkist claim to the English throne.
• 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: Ralph de Mortimer
Triple: [House of Mortimer, hasMember, Ralph de Mortimer]

Ralph de Mortimer was a prominent Anglo-Norman nobleman and marcher lord who played a key role in consolidating his family's power along the turbulent English–Welsh border in the 11th–12th centuries.

Target entity: Ralph de Mortimer
Target entity description: Ralph de Mortimer was a prominent Anglo-Norman nobleman and marcher lord who played a key role in consolidating his family's power along the turbulent English–Welsh border in the 11th–12th centuries.

• A. Roger Mortimer, 1st Earl of March
  Roger Mortimer, 1st Earl of March, was a powerful 14th-century English nobleman who led the rebellion against King Edward II and effectively ruled England during the early reign of Edward III before being overthrown and executed.
• B. Roger Mortimer of Wigmore
  Roger Mortimer of Wigmore was a powerful 13th–14th century English Marcher lord and military commander, notable as the father of Roger Mortimer, 1st Earl of March, and a key figure in the politics of the Welsh borderlands.
• C. Edmund Mortimer
  Edmund Mortimer was an English nobleman of the late 14th and early 15th centuries, notable for his disputed claim to the English throne and his involvement in the political conflicts surrounding the reign of Henry IV.
• D. Edmund Mortimer, 2nd Baron Mortimer
  Edmund Mortimer, 2nd Baron Mortimer, was a prominent 13th-century English nobleman and Marcher lord who expanded the Mortimer family’s power along the Welsh border through military service and strategic alliances.
• E. Roger Mortimer, 4th Earl of March
  Roger Mortimer, 4th Earl of March was a prominent late 14th-century English nobleman and heir presumptive to King Richard II, whose lineage played a key role in the Yorkist claim to the English throne.
• F. None of above. chosen