Think you know everything about Bollywood? Test your gyaan here!

That Yeh Jawaani Hai Deewani director Ayan Mukerji is yesteryear actor Joy Mukerji's nephew and cousin to actresses Kajol and Rani Mukerji is common knowledge now.

But did you know that the young filmmaker is also related to someone else in Bollywood?

Please click NEXT to see who it is! 

Filmmaker Ashutosh Gowariker's wife Sunita is Ayan's half-sister. She is Ayan's father Deb Mukherjee's daughter from his first marriage.

Before he made his directorial debut with Wake Up Sid in 2009, Ayan was mentored by brother-in-law who took him on as an assistant director on his 2004 film Swades.

Liked this trivia? Watch this space for more next Tuesday!