Who dated Barbra Streisand?

Barry Dennen dated Barbra Streisand from 1960 until 1961. The age gap was 4 years, 2 months and 2 days.

Jon Peters dated Barbra Streisand from 1973 until 1982. The age gap was 3 years, 1 months and 9 days.

Richard Baskin dated Barbra Streisand from 1983 until 1987. The age gap was 6 years, 7 months and 7 days.