Alexander de Baliol in Kent, Hertfordshire, and Roxburghshire were in that year seized by John de Bretagne, Earl of Richmond, in the Scottish campaign. His estates in Kent, of which the chief was the castle and manor of Chilham, were held by him in right of his wife Isabella de Chilham, by whom he left a son of his own name. The date of his death is unknown, but as he was summoned to all the parliaments of Edward I between 1300 and 1307, and is not mentioned as summoned to any of Edward II, he probably died soon after the accession. Alexander
L-plan castle was modified as a high Middle Ages L-plan towerhouse; Balingarry Castle is located in the town of Balingarry. Gleninagh Castle is a 16th-century towerhouse in a state of partial preservation. The L-plan design is also present in Rathmore Castle in County Meath. As an eastern European example, one may look to Ilmov County, Romania to Herasti Castle, which includes elements of Italian Renaissance design. In Cagliari, Sardinia are two surviving structures known as the Pisan Towers. Each of these towers, as well as a third structure destroyed by English and Spanish naval power, is an L-plan design. The structures date