Antecedent

[Sarah]

The earlier events of one's life; previous principles, conduct,course, history. J. H. Newman.If the troops . . . prove worthy of their antecedents, the victory issurely ours. Gen. G. McClellan.

[Little_Girl]

something a pronoun represents

[Sommer]

A thing that existed before or logically precedes another.

[Couch Potatoe]

someone or something existing or happening before, especially as the cause or origin of something existing or happening later: