Complex sentence: A lively and lovely child, she soon became in the favorite of both her parents and her grandfather Emperor Charles VI spoke with pleasure of his eldest granddaughter, whim whom she nicknamed "Liesl" and often played with her.
Split into simpler sentences: A lively and lovely child, she soon became in the favorite of both her parents. Her grandfather, Emperor Charles VI, spoke with pleasure of his eldest granddaughter, whom she nicknamed "Liesl," and often played with her.