Piper and Willow were born in Part 17: Twins . They were mainly cared for by either Rose or their Nanny, as Don was busy with work and Amanda would be out clubbing. LifeSimmer stated that the Child-aged Piper and Willow had a special bond, therefore they would often be in each other's bedrooms.
Lifesimmer was horrified to find that Piper's face was disproportionate after seeing her as a Toddler. It was suspected that Piper would be the Aubrey Ashwood of the Let's Play due to her tiny nose, as seen in Part 18: Madhouse. Fortunately, Piper's face began to even out as she reached Teen status.
Piper didn't do as well at school as Willow, whom often had to do Piper's homework to prevent her transferal to military school. The twins Aged Up off-camera before Part 29: Weathernaught 57X.