Ποιος παντρεύτηκε το Valentin Yumashev;

Valentin Borisovich Yumashev (Russian: Валентин Борисович Юмашев; born 15 December 1957) is a Russian journalist, politician and businessman-developer, who is the son-in-law of former President Boris Yeltsin and a member of his inner circle. He has the federal state civilian service rank of 1st class Active State Councillor of the Russian Federation.

He was Editor-in-Chief of Ogonyok from 1995 to 1996. In 1996, he was appointed adviser to President Boris Yeltsin for public relations. In March 1997, Yumashev succeeded Anatoly Chubais in the powerful position of the Chairman of the Presidential Executive Office. In December 1998, he was dismissed from that position. He now works in real estate development.

Tatyana Borisovna Yumasheva (Russian: Татьяна Борисовна Юмашева; formerly Dyachenko (Дьяченко); née Yeltsina (Ельцина); born 17 January 1960) is the younger daughter of former Russian president Boris Yeltsin and Naina Yeltsina. Since 2009, Yumasheva has been a citizen of Austria.