What is the simple subject in this sentence?

His sister Jane encouraged him to explore.

Jane encouraged

Thank You

ERRRRR...

Sister is the noun, Andy, encouraged is the verb.

sorry.

To identify the simple subject in a sentence, you need to find the main noun or pronoun that the sentence is about. In this case, the simple subject is the noun "sister." It is the main noun being described by the possessive pronoun "his."