His mother was a daughter of Grand Duke Paul Alexandrovich of Russia and his second wife Princess Olga Valerianovna Paley , Countess of Hohenfelsen .
Through his father he was a grandson of Grand Duke Alexander Mikhailovich of Russia and his wife Grand Duchess Xenia Alexandrovna of Russia .
grandson 's mother was a daughter of Grand Duke Paul Alexandrovich Grand Duchess Xenia Alexandrovna of Russia Russia and his second wife Princess Olga Valerianovna Paley , Countess of Hohenfelsen .
Through his father he was a grandson of Grand Duke Alexander Mikhailovich of Russia and his wife Grand Duchess Xenia Alexandrovna of Russia .