Adamstown Castle William Marshall  1146 – 1219 (Earl of Pembroke in 1199) the great Lord Marshall who served 5 successive kings got succession to the Lordship of Leinster, by his marriage, in 1189, to Strongbow’s daughter, Isabella. He was given authority to give land grants or Knight’s Fee’s to Knight’s in return for future military services rendered and for the defence of the area … Continue reading Adamstown History