For most of us, one of the delights of the holiday season is the yearly celebration of traditions, both personal family ones, and ones like holly, Christmas trees, carols, and decking the house with greenery that have been passed down for generations.  Which makes the holiday season the perfect time to delve into that time of tradition and pageantry, the medieval past, where brave and determined women defied the norms of their times to exercise power and influence. Beginning with the earliest, we have THE IRISH PRINCESS by Elizabeth Chadwick. War is the norm of the day, both in England, where Henry II has prevailed in the civil war between his mother Empress Mathilde and her cousin, Stephen of Blois, and in Ireland, where Diarmit, King of Leinster, is forced into English exile after losing his battle against the Irish High King.  Seeking support to recover his lost lands, Diarmit appeals to Henry, who is still sorting out how to control and reward those who fought for and against him. With Henry’s permission, he recruits Richard de Clare—later known as Strongbow—the former Earl of Pembroke who was stripped of his title for supporting Stephen.  In return for his fighting prowess,…