Complex sentence: She was the first wife of Jethro Tull leader Ian Anderson, from 1970 to 1974, and as "Jennie Anderson" she is credited with the lyric of the Jethro Tull song "Aqualung".
Split into simpler sentences: She was the first wife of Jethro Tull leader Ian Anderson, from 1970 to 1974. As "Jennie Anderson", Franks is credited with the lyric of the Jethro Tull song "Aqualung".