Nicholas Romanov Italian historian and businessperson (1922-2014) (1922–2014) Parents Praskovya Sheremeteva Prince Roman Petrovich of Russia Children Elizabeta Nikolaievna Romanov, Princess Romanova Tatyana Nikolaievna Romanov, Princess Romanova Nataliya Romanov, Princess Romanova Siblings Prince Dimitri Romanov Partners Sveva della Gherardesca, Contessa della Gherardesca