So many period paintings of children depict them as mini adults or with serious demeanour. In contrast, this wonderful portrait of the four Graham children by William Hogarth, allow a glimpse of the real personalities of these young sitters. Their father was the Royal Apothecary to George II. Henrietta, the eldest, holds out cherries to the youngest brother Thomas. Sadly, he had already died by the time the painting was finished. Anna Maria is dancing to the organ…