Claim: Ullerwood Castlem, an early medieval castle that has no other contemporary documented in reference to, is first referred to in 1173, in a document stating "Hamo de Masci held the castles of Ullerwood and Dunham".
Evidence: Ullerwood Castle is an early medieval castle, possibly a shell keep, in Ringway, Manchester, England (grid reference ). There is no other contemporary documented reference to the castle. The castle is first referred to in 1173, in a document stating Hamo de Masci held the castles of Ullerwood and Dunham.