Their whereabouts, if they existed at all, are unknown. No written plans or dimensions from the original construction have survived. As captain of a merchant ship Jones apparently killed a mutinous crewman in self defense at Tobago. To avoid reprisals he fled to America awaiting trial.
Rumors abound, but the mystery remains.
In fact, the original plaque placed on what is now the John Paul Jones House in Portsmouth was dedicated in 1913 by the Helen Seavey Sewing Circle. Despite detailed accounts of the women involved, the authenticity of the legend is in doubt. Jones was likely popular with the women of Portsmouth, but he stayed at Widow Purcell's boarding house four full months before departing. Some believe this design was suggested to Jones by Ben Franklin after Jones arrival in France in 1777. It all depends on your perspective.