After his father's death, David Lewis uncovered details of a secret marriage and a half-sister. Here he sets out to fill in the missing branches of his family tree.
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After his father's death, David Lewis uncovered details of a secret marriage and a half-sister. Here he sets out to fill in the missing branches of his family tree.
BBC Four reflects arts, music and culture with an ambitious range of intellectually and culturally enriching programmes, taking an expert and in-depth approach to its subjects.
