Ashok Kumar has flirted with his younger brother Kishore Kumar's wife Madhubala in many films.

In the film Request, Kaka was seen with his wife Dimple's younger sister Simple Kapadia.

Before Rishi Kapoor's wife, Neetu Kapoor has been paired with Randhir Kapoor many times in films.

Naseeruddin Shah has been seen romancing his sister-in-law Supriya Pathak in the film 'Masoom'.

Anil Kapoor and his sister-in-law Sridevi have been one of the blockbuster pairings of all time, romancing each other in about 14 films.

Saif Ali Khan romanced his sister-in-law Karisma Kapoor in Rajshri Productions' Hum Saath Saath Hain

The pairing of Ajay Devgan and his sister-in-law Rani Mukherjee was well-liked onscreen.

Rani Mukerji was seen romancing her brother-in-law Uday Chopra in 'Mujhse Dosti Karoge'.