Too many kids???

There are too many kids in this tub.
There are too many elbows to scrub.
I just washed a behind that I'm sure wasn't mine.
There are too many kids in this tub.
--Shel Silverstein

(L to R -- Zach, Adam, Julianne, Madelyn, Hailey, and Catherine -- Zach and Hailey are cousins)