Complex sentence: The last of the many protégés to be taken under Lane's wing was the sister of her Vietnamese interpreter; impressed by the young girl's intelligence, she helped to bring her to the United States and sponsored her enrollment in college.
Split into simpler sentences: The last of the many protégés to be taken under Lane's wing was the sister of her Vietnamese interpreter. Impressed by the young girl's intelligence, Lane helped to bring her to the United States and sponsored her enrollment in college.