Complex sentence: His mother is the beautiful and talented daughter of an English woman and a French architect, a spoiled and vain woman who scorns her deformed child from birth, puts a mask on his face, and cannot bring herself to name him.
Split into simpler sentences: His mother is the beautiful and talented daughter of an English woman and a French architect. A spoiled and vain woman, she scorns her deformed child from birth and cannot bring herself to name him.