During the Circassian genocide, German general Grigory Zass in the Russian army and Nikolai Yevdokimov ordered their officers and soldiers to be allowed to rape 7 year old Circassian girls.[223][224][225][226][227][228][229][230][231][232][233][234][235][236][237][238][239][240][241][242] Zass sent the severed Circassian heads to his fellow Germans in Berlin who were professors and used them to study anatomy.[243] The Decembrist Nikolai Ivanovich Lorer (Лорер, Николай Иванович) said that Zass cleaned and boiled the flesh off the heads after storing them under his bed in his tent.