PROTEUS
"The Bruce's brother, Thomas Fitzgerald, silken knight, Perkin Warbeck, York's false scion, in breeches of silk of whiterose ivory, wonder of a day, and Lambert Simnel, with a tail of nans and sutlers, a scullion crowned. All kings' sons. Paradise of pretenders then and now." ([U3.313])
This print from 1854 shows "Lord Thomas Fitz Gerald renouncing his allegiance to Henry VIII."