– , Lord (915–953) , Lord (953–959) , Lord (959–990) , Lord (990–1031/34) Duchy of Brittany (complete list) – Alan I, King (876–907) Gourmaëlon, ruler (907–c.914) Hroflr, Viking ruler (early 10th century) Rognvaldr, Viking ruler (early 10th century) Incon, Viking ruler (early 10th century) Alan II, Duke (938–952) Drogo, Duke (952–958) Hoël I, Duke (960–981) Guerech, Duke (981–988) Conan I, Duke (990–992)) Geoffrey I, Duke (992–1008) Duchy of Burgundy (complete list) – Richard the Justiciar, Duke (880–921) Rudolph, Duke (921–923) Hugh the Black, Duke (923–952) Gilbert, Duke (952–956) Otto, Duke (956–965) Eudes Henry, Duke (965–1002) County of Flanders (complete list) – Baldwin II, Count (879–918) Arnulf I the Great, Count (918–964) Baldwin III, Count (958–962) Arnulf II, Count (964–988) Baldwin IV the Bearded, Count (988–1037) Duchy of Gascony (complete list) – García II, Duke (893–c.930) Sans IV, Duke (930–c.950) Sans V, Duke (c.950–c.961) Guilhem II, Duke (c.961–996) Bernat I, Duke (996–1009) County of Maine (complete list) – Hugh I, Count (900–950) Hugh II, Count (950–992) Hugh III, Count (992–1015) County of Nevers (complete list) – Otto-Henry, Count (?–987) Otto-William, Count (987–992) Landri, Count (992–1028) Duchy of Normandy (complete list) – Rollo, Count (911–927) William Longsword, Count (927–942) Richard I the Fearless, Count (942–996) Richard II the Good, Duke (996–1027) County of Poitou (complete list) – Robert I, Count (866–923) Aymar, Count (892–902) Ebalus, Count (890–893, 902–935) William I, Count (935–963) William II, Count (963–995) William III, Count (969–1030) Provence / Lower Burgundy (complete list) – Louis the Blind, King(887–928) Hugh, King(911–933) Rotbold I, Count (961–1008) County of Toulouse (complete list) – Odo, Count (886–918) Raymond II, Count (918–924) Raymond III Pons, Count (924–c.950) Raymond (IV), Count (c.950–c.961) Hugh, Count (c.961–c.972) Raymond (V), Count (c.972–c.978) William III Taillefer, Count (978–1037) County of Vermandois (complete list) – Herbert I, Count (896–907) Herbert II, Count (907–943) Albert I the Pious, Count (943–988) Herbert III, Count (987–997) Albert II, Count (997–1035) Eurasia: Caucasus Kingdom of Abkhazia (complete list) – Constantine III, King (c.898–916) George II, King (c.916–960) Leon III, King (c.960–969) Demetrius III, King (c.969–976) Theodosius III, King (c.976–978) Bagrat III, King (978–1014) Bagratid Armenia (complete list) – Smbat I, King (890–912) Ashot II, King (914–928) Abas I, King (928–952) Ashot III, King (952–977) Smbat II, King (977–989) Gagik I, King (989–1020) Principality of Iberia (complete list) – Adarnase IV, King (888–923) David II, King (923–937) Sumbat I, King (937–958) Bagrat II, King (958–994)