Commission a Portrait, Children's portraiture: Sketch for latest triple portrait

Here is a quick sketch I did for a new client for an custom oil portrait I'm working on: it shows the relationships between the children and the composition and facial expressions. My sketches are usually quick so that I can give my oil paintings the gift of genuine feeling rather than a robotic repetition/coloring of a sketch—something can get lost if an image has been sketched over and over again sometimes.