"Mark: I love you.
Lexie: You don’t have to say it just because …
Mark: No, I love you. I’ve always been in love with you. I will always be in love with you. I love you which is why you have to stay alive. We’re going to get married and you’re going to be an amazing surgeon and we’re going to have two or three kids.
Lexie: So, Sofia can have siblings?
Mark: Yeah, a sister and two brothers.
Lexie: That’s nice.
Mark: We’re going to have the best life Lex, you and me. We’re going to be so happy so you can’t die, ok? You can’t die because we’re supposed to end up together. We’re meant to be.
Lexie: Meant to be…"

The firstborn would Lily, because that's the name of their daughter in Lewis Carroll's Through the Looking Glass, and they'd have twins after that, Penelope (after Will's sister) and Mason (after Anastasia's father).

I can't see them ever having any/adopting, because of who they are and their lifestyle, but in AU's when they have kids I like this most. Or just a little girl.

I think to 75%, that my OTP want kids, mostly the woman, since she's with her best friends and he knows about that and all, so they could possibly have a child or two. Unless they find it safer to be childless, because of being both police agents.
On FNN: They got a boy named Duarte and a girl named Liliana.

I don't think Dean/Castiel have the right lifestyle for having a kid (as cute as them raising a little one would be)

My current obsession is Bonnie/Kai and I can see them having kids. Kai had a big family and I could see them having maybe 5...twins and 3 others. Kai's family was horrible to him but I think raising a family with Bonnie would help him recover from all the crap he's been through and he'd be an amazing father because avoiding letting his kids go through what he did <3
I say 3 boys and 2 girls. I could go on about these two and all that I wanted for them for forever <33333333

^ Are you like mentally unstable in a dangerous let-me-call-the-police way?
Kai was a psycopath. Not only his family was NOT horrible to him, but him having 5 kids would only end up in a glorious blood bath, and if that would make you happy then I'm seriously concerned.

^You're an idiot.
There are plenty of hero/villain pairings throughout time. Yes, Kai was the extreme, but he was redeemable. At least until the writers changed their mind, deleted the scene that made him most so, and gave him an awful ending.
Kai was SUPPOSED to be Bonnie's love interest until the writers changed their minds (and now we get awful chemistryless Bozo). They had AMAZING chemistry and potential.
The way the writers ended it? No, he would not have made a great father. But following his redemption story instead of throwing it away, YEARS down the line he could have been great. He was treated like hell by his family (specifically his father) and did not know how to treat people properly. After he merged with Luke (even before that imo) he did start to care for Bonnie and I think being with her could have made him better (note: this only works in fiction not irl)
This type of pairing is OBVIOUSLY problematic and not ok in the real world, but fiction can make these pairings amazing to watch and characters can be written unrealistic and redeemable because it's fiction and escapism. As long as one knows the difference there is nothing wrong with such dark ships.
I do not believe, in the end, redeemed Kai, who was happy and felt loved with Bonnie, would not have hurt his own kids.
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I would have loved to have scene Clark & Lois with one of each

They have a boy & a girl :)