Princes of La Roche-sur-Yon Princes de La Roche-sur-Yon Records #3 Holders Family filter On/Off Louis I de Bourbon-Montpensier, prince of La Roche-sur-Yon * 1473 Louis II de Bourbon, prince of La Roche-sur-Yon * 1513 N de Bourbon, prince of La Roche-sur-Yon * 1694 Corrections and Updates To suggest a correction or an update. Click Here