Probably the History of Nicetas Choniates, which records the marriage of Andronicus to Anna, the daughter of the king of France, when she was not yet eleven years old; but although Nicetas describes Andronicus as of `statura heroica', he does not seem to describe him as ten foot tall, which may be embroidery on Harrison's part - Nicetae Choniatae opera omnia, 2 vols, PG 139-40 (1865), I, cols. 628-30, 711.