900 CE, and look at the early motte-and-bailey castle, used by the Normans ... with the addition of stone curtain walls, massive keeps, towers (square, round and D-shaped), as well as powerful ...

Duffus Castle in Moray is an example of a motte and bailey castle in Scotland. The first style of castle was called a motte and bailey. Duffus Castle in Moray is an example of a motte and bailey ...