The 40-year-old rapper would love to have children with wife Beyonce Knowles after being inspired by close friends Chris Martin and Gwyneth Paltrow, who have kids Apple, five, and four-year-old Moses together.
He said: "They are a really cool family with beautiful kids, who happen to be good at the jobs they do." Asked if he wanted something similar himself, the `99 Problems` star - who says Apple and Moses call him `Uncle Jay` - told Q magazine: "Kids? Of course."
Though the music mogul - who dealt drugs in his native Marcy, New York, when he was 13 - is now close friends with the privately-educated Coldplay frontman, he admits it wouldn`t have been the case if they had met earlier in life.
He said: "What would I have thought of Chris at 16? That`s a different scenario. He couldn`t have walked through Marcy. I was a different person then - I wasn-t open to the world and different cultures.
"I would have been, `Yo! Who are you? Give me your money.` You couldn`t have a guy like Chris walking through Marcy. He`d have got robbed. At best."
Beyonce has also admitted she wanted to try for a baby this year. Last July, the `Crazy in Love` singer hinted she may get pregnant once her year-long tour was over.
She said: "I think I`ll have a child when it`s supposed to happen. Right now, I`ll be on tour for a year and, you know..."