Bayan ya dawo, Robert <unk> wanda Flambard da wasu barons Anglo-Norman <unk> suka bukaci ya yi ikirarin kambin Ingila, bisa ga yarjejeniyar da aka yi na ɗan gajeren lokaci na 1087, kuma a 1101 ya jagoranci mamayewa don kawar da ɗan'uwansa Henry. Ya sauka a Portsmouth tare da rundunarsa, amma rashin goyon bayan jama'a a cikin Ingilishi (Anselm, babban bishop na Canterbury, ya kasance a kan shi kuma Yarjejeniyar 'yanci da aka bayar a lokacin da Henry ya yi nasara) da kuma Robert kansa na rashin amfani da dabarun mamayewa ya ba Henry damar tsayayya da mamayewa. Robert ya tilasta ta hanyar diflomasiyya ya yi watsi da da'awarsa ga kursiyin Ingilishi a cikin Yarjejeniyar Alton. An ce Robert ya kasance babban kwamandan filin amma mai ban tsoro a cikin Tambaya ta farko na Crusade Tambaya: Wanene ya jagoranci mamayewa?
Robert