Born on the same day as Duane Chase who co-starred with Darleen's sister Charmian Carr in The Sound of Music (1965).
Daughter of actress Rita Oehmen and composer Brian Farnon.
Her son died of spinal disease at age 3, in 1982.
Niece of Dennis Farnon and Robert Farnon.
She dubbed the childrens singing voices in The Sound of Music (1965)
Younger sister of Charmian Carr and Shannon Farnon.