Simplify the following text for a Grade 7 native English-speaking person.
Original: At age nine , Tyler discovered that she was Steven Tyler 's daughter after meeting him and noticing a resemblance she shared with his other daughter , Mia .
Simplified: Also , when Tyler was growing up , Steven Tyler started coming to visit . Then at another meeting in 1988 , seeing that Steven Tyler 's other daughter , Mia , looked very similar to herself , she asked her mother .