Complex sentence: Chopra has a brother, Siddharth, who is seven years her junior and actresses Parineeti Chopra, Meera Chopra and Mannara Chopra are her cousins.
Split into simpler sentences: Chopra has a brother, Siddharth, who is seven years her junior. Actresses Parineeti Chopra, Meera Chopra and Mannara Chopra are her cousins.