Original: In May 1997, Stallone married Jennifer Flavin, with whom he shares three daughters: Sophia Rose (b. 27 August 1996), Sistine Rose (b. 27 June 1998), and Scarlet Rose (b. 25 May 2002).
Simplified: In May 1997, Stallone married Jennifer Flavin, and he has  three daughters with her: Sophia Rose (b. 27 August 1996), Sistine Rose (b. 27 June 1998), and Scarlet Rose (b. 25 May 2002).