Rubuta ci gaba don wannan sakin layi - Matiyu Asanes Kantakouzenos ɗan Sarkin sarakuna John VI Kantakouzenos ne da Irene Asanina. A sakamakon goyon bayan da ya baiwa mahaifinsa yayin gwagwarmayar sa da John V Palaiologos, an ba shi wani ɓangare na Thrace a matsayin appanage a 1347, kuma an ayyana shi a matsayin mai haɗin gwiwa a cikin 1353, lokacin da yaƙin basasa ya buɗe
ya sake fashewa tare da John V.