Kathleen Anne Balgley is Irish and Polish , and John David `` J.D . '' Rtajkowski is Polish .
Emily O'Hara Ratajkowski was born on June 7 , 1991 , in Westminster , London , the only child of Kathleen Anne Balgley with Irish and Polish Jewish roots and John David `` J.D . '' Ratajkowski , with Polish roots .
Emily Ratajkowski