Among the released material are email exchanges involving someone identified only as “Sarah,” with the email address redacted.
Other emails appear to show Epstein complimenting the former Duchess of York in front of her daughters, Princesses Beatrice and Eugenie.
In a message dated August 3, 2009, Ms Ferguson allegedly told Epstein she had “never been more touched by a friend’s kindness.”
She appeared to write: “In just week, after your lunch, it seems the energy has lifted.
“I have never been more touched by a friends kindness than your compliment to me in front of my girls.
“Thank you Jeffrey for being the brother I have always wished for.”
Praise in Later Emails
In additional emails sent in November 2009, Ms Ferguson reportedly referred to Epstein as “a legend” and wrote, “I am so proud of you.”
Invitation to Prince Andrew’s Birthday
Other documents allegedly show Ms Ferguson inviting Epstein to Prince Andrew’s 50th birthday celebration at St James’s Palace in February 2010.
The email read: “Beatrice, Eugenie and I would love to invite you to celebrate the 50 years of Papa/Andrew.