 Born in University College Hospital in Fitzrovia , London , Miliband is the younger son of immigrant parents . His mother , Marion Kozak , a human rights campaigner and early CND member , is a Polish Jew who survived the Holocaust thanks to being protected by Catholic Poles . His father , Ralph Miliband , was a Belgian @-@ born Polish Jewish Marxist academic whose father fled with him to England during World War II . The family lived on Edis Street in Primrose Hill , London . His elder brother , David Miliband , still owns the house today . 
