Family and background
Kajol was born in Mumbai of Bengali-Marathi descent. Her mother Tanuja is an actress, while her late father Shomu Mukherjee was a film director and producer. Her late maternal aunt, Nutan is the record holder for the most (five times) Filmfare Awards for Best Actress, and her late maternal grandmother Shobhna Samarth and great grandmother Rattan Bai had both been involved in Hindi cinema.
Her paternal uncles are film producers; Joy Mukherjee and Deb Mukherjee. Kajol's paternal grandfather, Sashadhar Mukherjee, was a filmmaker. His wife Satirani Devi, Kajol's paternal grandmother, was the sister of Ashok Kumar, Anoop Kumar and Kishore Kumar. Kajol's cousins Rani Mukerji, Sharbani Mukherjee and Mohnish Behl are also Bollywood actors; whereas her cousin Ayan Mukerji is a director. Kajol's younger sister Tanisha Mukherjee is also an actress.
Kajol married Bollywood actor Ajay Devgan on February 24, 1999. The couple have 2 children, a daughter named Nysa (born in 2003) and a son named Yug (born in 2010).
On April 10, 2008, Kajol's father died after suffering from a cardiac arrest. His funeral was held the same day and was attended by other Bollywood personalities.