Barbara Sinatra

Barbara Marx Sinatra (née Blakeley; March 10, 1927 – July 25, 2017) was an American model and showgirl. She was born in Bosworth, Missouri. She was married to Zeppo Marx from 1959 to 1973 and was the fourth and final wife of Frank Sinatra from 1976 until his death in 1998. 
In 1998, a Golden Palm Star on the Palm Springs Walk of Stars was dedicated to her.
Sinatra died on July 25, 2017 in Rancho Mirage, California of natural causes at the age of 90.