At an early age he settled at Constantinople, where his reputation for learning brought him under the notice of Andronicus II Palaeologus, by whom he was appointed chartophylax (keeper of the archives).
Pada usia dini ia menetap di Konstantinopel, di mana reputasinya untuk belajar membawanya di bawah pemberitahuan Andronikus II Palaeologus, oleh siapa ia ditunjuk chartophylax (penjaga arsip).