[1] The church consists of the complete eastern limb and the two transepts of a cruciform church, the crossing-tower as high as it was built (the completion of the spire was precluded by the Reformation), and the dubious foundations of the nave, which was not built.
During the war now known as the Rough Wooing, the English army occupied Haddington.
After the war was over, his widow Marie Pieris had his body brought to Seton and buried in the choir next to his father.
Architectural fragments of the adjacent long-demolished Seton Palace are displayed in the churchyard.
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