He was young of age and small of stature almost like a pygmy, a Scythian in appearance and awkward, for this nation (the Turks) is descended from the Scythians and shares their bad character and ugliness
πυγμαῖος δὲ τὴν ἠλικίαν σχεδόν. Attaleiates: History 142.16-19 / 106.24-107.2
Descended from the sultans' lineage
ἐκ σουλτάνων σειρᾶς ὥρμητο. Bryennios 101.5
Was very short in stature, very ugly in appearance