He was to be a most difficult child but Tsetaeva loved him obsessively .
Tsvetaeva wanted to name him Boris ( after Pasternak ) ; Efron insisted on Georgy .
Efron was to be a most difficult child but Tsetaeva loved Efron obsessively .
Tsvetaeva wanted to name him Boris ( after Pasternak ) ; Efron insisted on Georgy .