The children of Tzar Nikolai Aleksandrovich Romanov (1868-1918) and Alexandra Fyodorovna (1872-1918); Grand Duchess Olga Nikolaevna of Russia (1895-1918); Grand Duchess Tatiana Nikolaevna of Russia (1897-1918); Grand Duchess Maria Nikolaevna of Russia (1899-1918); Grand Duchess Anastasia Nikolaevna of Russia (1901-1918); Alexei Nikolaevich, Tsarevich of Russia (1904-1918); the children had their heads shaved as a result of having contracted mumps;