Nikulin was living in the House of Special Purpose ie Ipatiev House since his appointment as Assistant to the Commandant .
Grigory Nikulin is known for his participating in killing of Tsar Nicholas II and his family .
Grigory Nikulin was living in the House of Special Purpose ie Ipatiev House since Grigory Nikulin 's appointment as Assistant to the Commandant .
Grigory Nikulin is known for his participating in killing of Tsar Nicholas II and his family .