The oligarchs sanctioned by the State Department on Tuesday were Andrey Igorevich Melnichenko, Alexander Anatolevich Ponomarenko and Dmitry Aleksandrovich Pumpyanskiy.

The AXIOMA cruise ship has been identified as blocked property in which Pumpyanskiy has an interest, the State Department said in a backgrounder.

According to the fact sheet, Ponomarenko “is an oligarch with close ties to other oligarchs, and the construction of Vladimir Putin’s seaside palace” has already been approved by Britain, the European Union, Canada, Australia and New Zealand.

Among the oligarchs sanctioned by the Treasury on Tuesday was Andrey Grigoryevich Guryev, the Russian billionaire founder of chemical company PhosAgro and a former government official described by the US Treasury as a “known proximity” to Putin.

He was also sanctioned by the UK and, according to the US Treasury, he “owns the Witanhurst estate, which is the second largest estate in London after Buckingham Palace”.

The US Treasury Department on Tuesday identified the cruise ship Alfa Nero, believed to be owned by AG Guryev, as blocked property.

AG Guryev’s son, Andrey Andreevich Guryev, was also sanctioned by the United States on Tuesday, after being sanctioned by Australia, Canada, the European Union, Switzerland and the United Kingdom, as was his investment company Dzhi AI Invest OOO. “for having operated or has operated in the technology sector of the economy of the Russian Federation, and is or has been the president, officer, senior officer or member of the board of directors of LLC VEB Ventures”, which is a sanctioned entity .

She was also sanctioned for being the wife of Kirill Aleksandrovich Dmitriev, CEO of the Russian Direct Investment Fund (RDIF). He and the RDIF were sanctioned in the days following the start of the war.