Whakaotihia te rerenga e whai ake nei: I whai wāhi nui te tāone ki ngā pakanga ā-iwi o Byzantium i te waenganui o te rau tau 14. I te tau 1344, i te pakanga o 1341 <unk> 1347, i hopukina te taone kaha e John VI Kantakouzenos (r. 1341<unk>1354), nana nei i whakatu tana tama a Matthew ki te whakahaere i a ia me te kawanatanga e karapoti ana. I noho tonu a Gratzianous hei nohoanga mo Matthew me tona whanau tae noa ki te 1355/56, i muri i te
i tetahi atu pakanga a-iwi, ka tukuna e ia me ana rohe Thracian katoa ki a John V Palaiologos (r. 1341<unk>1391) hei utu mo te Despotate o Morea.