Er Eric.........
That is her stepfather!
Apparently her father is no longer alive.
Something that Roimat who attended the press conference posted on the following on the Royal Forums, his English not mine, I think he did a very good job!
(Hint hint A.M)
"Tatiana Elinga Blatnik was born in Venezuela and grow up in Switzerland. Her father, Ladislav Blatnik was Slovenian and her mother, Mari-Blance Bierlein is German, married to Mr Attilio Brigienburg.
Tatiana has 4 brothers: Boris, Igor and Anouska Blatnik and a step brother, Attilio Brigienburg. She graduated from Georgetown University with a diploma at Sociology. She works for the P.R. of the Diane Von Furstenberg House of Fashion"
I also noticed that she will be baptised prior to the wedding, by no less than the Greek Orthodox Archbishop of Great Britain.