Complex sentence: Vasylkivsky's father was a writer and taught his son the aesthetics of proper calligraphy line, while his mother through her folk songs set the foundation which provided the inspiration for Vasylkivsky's art later in life.
Split into simpler sentences: Vasylkivsky's father was a writer and taught his son the aesthetics of proper calligraphy. His mother, through her folk songs set the foundation which provided the inspiration for Vasylkivsky's art later in life.