It’s only been a few days since Pippa Middleton and James Matthews tied the knot — but the couple is already thinking of the next chapter.

Pippa, who looked stunning in a custom-made Giles Deacon lace gown on her big day, is ready to become a mother — and sources are revealing exclusively to Life & Style that she hopes to conceive on her honeymoon.

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“Being a family man has always been James’ main focus, and Pippa comes from a very loving and tight-knit family,” says an insider. “They can’t wait to have a baby.”

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The couple wants three kids, the source continues, and Pippa has had her share of practice with children already as a doting aunt to sister Kate Middleton‘s tots George, 3, and Charlotte, 2.

“She’s already envisioning her children playing with their cousins at Kensington Palace,” the insider adds.

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When it comes to parenting advice, Pippa can look to brother-in-law Prince William, who opened up about raising kids with the Duchess of Cambridge.

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“Well, as the other parents in the room will testify, there’s wonderful highs and there’s wonderful lows,” he told Talk Vietnam, per E!. It’s been quite a change for me, personally. I’m very lucky in the support I have from Catherine. She is an amazing mother and a fantastic wife.”

He continued, “I adore my children very much and I’ve learned a lot about myself and about a family, just from having my own children and it’s amazing how much you pick up from just in those moments.”

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Despite some pre-wedding jitters, there is no denying Pippa is head-over-heels in love with James.

“She’s deeply in love with James and knows all the drama will be worth it,” a source told Life & Style. “She’s so happy to be starting the rest of her life with the man she loves.”

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