Complex sentence: Schumann met Denise'Denny' Storen in 1981 and they later married, she is the sister of Vietnam Veteran Mick Storen, whose recollections inspired "I Was Only Nineteen".
Split into simpler sentences: Schumann met Denise'Denny' Storen in 1981 and they later married. She is the sister of Vietnam Veteran Mick Storen, whose recollections inspired "I Was Only Nineteen".