Complex sentence: The officer is third and youngest child of Cecilia Dick (née Buxton), an Oxford historian, she was born and raised in Oxford and educated at The Dragon School (Oxford), Oxford High School and Balliol College, Oxford.
Split into simpler sentences: The officer is third and youngest child of Cecilia Dick (née Buxton), an Oxford historian. She was born and raised in Oxford and educated at The Dragon School (Oxford), Oxford High School and Balliol College, Oxford.