The Hat Installment

Riding a Lion, English Style

Ever since her little brother was born, Olivia's adopted the lion: feeding it, watering it, and occasionally changing its diaper(!).

Thrice Hats

Olivia and her friends next door, Grace & Henry.

Nice Hat

Totally New Baby

Mariano emerges from the tub looking nothing like the one-week old we put in.

That's Good Living

Mariano relaxes following bath and a snack.

Big Sister, I

Olivia holds Mariano; parents hold breath.

Big Sister, II

Olivia holds Mariano, humors parents with a "smile."

First Bath

Bike Cop

Off camera to the left is Mom holding Mariano at dog-mouth level.

Olivia goes from champion cyclist to twothree-wheeled busybody as she instructs the dog not to "taste the baby."

Live Strong

Olivia demonstrates her love of cycling.

Flower Train Leaving the Hospital

Baby Shown to Scale

Mariano displays his serene look.

Mo'liviblog?

With yesterday's arrival, Oliviblog's editors consider structural changes in this photo collection.

Olivia's Little Brother, Mariano

Mariano Henry, born May 6, 2008 at 5:15 p.m., weighing 9 lbs, 1 oz.