 James Douglas later became one of the closest friends of Robert the Bruce.William Lamberton rebuilt St. Andrew's Cathedral, the castle of St Andrew's, and the fortified manor houses at Inchmurdo, Monimail, Dairsie, Torry, Muckhart, Kettins, Monymusk, Lasswade, and Stow.Upon becoming Bishop, Lamberton found himself in control of the diocese's vast funds; he used them to fund the war against England.