Complex sentence: Moore took a special interest in the education of Maud's daughter, the well-known publisher and art patron, Nancy Cunard, and it has been suggested that Moore, rather than Maud's husband, Sir Bache Cunard, was Nancy's father.
Split into simpler sentences: Moore took a special interest in the education of Maud's daughter, the well-known publisher and art patron, Nancy Cunard. It has been suggested that Moore, rather than Maud's husband, Sir Bache Cunard, was Nancy's father.