Wiki information Sanciolo:

Sanciolo d'Aragona
Deceased Person, Person

Sancho or Sanciolo d'Aragona was an illegitimate son of Frederick II of Sicily and Giovanna d'Auria. He married Lucia Palizzi, daughter of the count of Novara. He was given the title Baron of Militello. He left a son named Vinciguerra.

Vinciguerra d'Aragona

Vinciguerra d'Aragona was the eldest son of Sanciolo and Lucia Palizzi and thus a grandson of Frederick II of Sicily. In 1355 he rebelled against his cousin Frederick III, who in December sent him to Patti as Captain to serve until December 1356....