United Kingdom, May 12 -- Wynonna Judd only learned the identity of her biological father when she was 30.

The 60-year-old singer - who had a fraught relationship with her late mother, Naomi Judd - grew up believing her mom's first husband, Michael Ciminella, was her dad but found out the truth decades later.

Speaking on Lifetime docuseries 'The Judd Family: Truth Be Told', Wynonna said: "I knew that Michael didn't like me and Mom didn't really love him.

"Mom told me, 'I was 16 and I was a virgin, I was home alone and [Wynonna's biological father] came over and took advantage of me.'"

Naomi - who had married Michael when she was just 17 years old and pregnant with Wynonna - eventually told her daughter that she had loved the man, Char...