Peter of Geneva or Pierre de Genève was the son of Humbert, Count of Geneva, and grandson of William I.
Annecy Castle
Windsor Castle, seen from the north; (l to r) Upper Ward, Middle Ward, Round Tower, St George's Chapel, Lower Ward and Curfew Tower
Geoffrey de Geneville, 1st Baron Geneville also known as Geoffrey de Joinville and Geoffroi de Joinville, was an Anglo-French noble, supporter of Henry III, who appointed him Baron of Trim, County Mea
Peter of Geneva (son of Humbert)
…of Windsor Castle itself, before dying in 1249. His English bride would find another Savoyard match in Geoffroi de Joinville (known in England as Geoffrey de Geneville) the brother of Saint Louis biographer and famed chronicler of the Crusades Jean de Joinville. His brother Ebal de Genève meanwhile found a good marriage…
Trim Castle
Charter for Vaucouleurs, Grant of 1298 by Walter (son of Joffroy), confirmed by Jean de Joinville (brother of Joffroy), "in the court of my dear brother Joffroy de Joinville, 'premier seignour de Vauquelour'" (Archives Nationales de France)