How to Make a Personalized Book with Two Kids (Or Three, or the Whole Family)

My sister-in-law texted me last Tuesday at 10pm. "Can you put both kids in one book? Like Mia AND Owen, not just Mia?" Then twenty minutes later: "Also can my niece be in it. She's here for Christmas."

I'm James. I'm the brother-in-law everyone Slacks when they're trying to figure out how to make a personalized book with two kids and the website only seems to want one. So I went looking for a real answer, not a marketing one.

Here's what I told her, slightly cleaned up.

Why this question is harder than it should be

Most personalized book brands work like a drop-down menu. You pick "family of 3" or "family of 4." You fit your real family into one of their boxes. If your kid has a cousin sleeping over, tough. The cousin doesn't make it.

I tried Wonderbly with my oldest a couple years back and ran into exactly this. One kid as the hero, everyone else cropped out. If you want the full breakdown of how they're built differently, I wrote a Wonderbly vs Pixie World comparison after testing both.

The reason this matters isn't theoretical. It's the 5-year-old asking "where am I?" while her brother flips pages.

How a personalized book for siblings actually works (Pixie version)

Pixie doesn't ask you to pick a family size. It asks you who's in the story. That's it.

You add characters one at a time. Each one gets a name and a few photos. The system builds a likeness for that specific kid, or grandparent, or cousin, or dog, and reuses it on every page they show up on.

So the question isn't "do I have a slot for my second kid." It's "do I want to add another character." Yes. Add. Done.

If you're curious how the consistent-face piece holds up across 20 pages, here's a deeper look at how AI keeps character likeness consistent across book pages. Short version: it's the part I was most skeptical of, and the part that actually works.

Co-stars, or one hero with a crew?

This is the actual decision a multi-child custom storybook forces you to make, and nobody talks about it.

Option one: both kids are co-protagonists. They share the spotlight. Good for siblings close in age, or twins, or kids who'll fight if one gets a bigger role. (If twins are your situation specifically, I went deeper on that in this post about a personalized book for twins and siblings.)

Option two: one kid is the hero, the others are the crew. Best friend, little sister, partner-in-crime. This works when there's a real age gap, or when you're making the book as a birthday gift for one specific kid and the siblings are along for the ride.

Neither is wrong. My 7-year-old wanted to be the main character on his last birthday book and didn't care that his brothers were sidekicks. My middle and youngest got a co-star book at Christmas because they do everything together anyway. Read the room.

Can I include cousins in a personalized children's book?

Yes. This is the question my sister-in-law was actually asking, and I get it about once a month from someone in my group chat.

A cousin is just another character. You add them the same way you'd add a sibling. Upload photos, give them a name, decide their role in the story. The book doesn't know or care that they don't live in your house.

This is the move for holiday gifts when the cousins are visiting, or for a book the kids can read together when they FaceTime. My niece showed up in our Thanksgiving book last year and she still asks about it.

Putting Grandma and Grandpa in the book

This one snuck up on me. I made a book for my parents' 40th anniversary with all three of my kids and both grandparents as characters. Grandma reading on the couch, Grandpa in the garden, the kids running through the pages.

My mom cried. My dad pretended he didn't.

A personalized book with whole family characters works as a keepsake gift in a way a normal storybook doesn't. The grandparents see themselves drawn into the world with their grandkids. It's a different thing than a photo album. I can't fully explain why, but I've watched it land twice now.

Yes, the dog can be in it

She asked. I answered. The dog can be in it.

Same flow as a person. Upload a few photos of the dog, name her, she shows up on the pages. Cats too. We did one for my brother's family right after they adopted their rescue, and if you're in a similar spot, here's the personalized book for a new pet adoption post with how that went.

I draw the line at the goldfish. Personal preference.

The "what about me?" problem, solved

The reason I keep recommending Pixie when friends ask is that nobody gets left out. Templates make families fit the book. Pixie makes the book fit the family.

Three kids, a cousin, two grandparents, a dog. All in there. Nobody demoted to background.

That's the whole pitch.