Died on 3th December 1399. He appears as κῦρ in the sources. He was the Monk of the Hilandar Monastery (I vьz’ljubi žiti vь domu Svetyje Bogorodice Hilan’dar’skye, eže jestь novaa lavra). He was later Monk of the Saint Paul Monastery on Mount Athos. He was the eldest son of Prankos Mladenes. He had two brothers (Vuk Branković [Bulkos], Grьgurь) and a sister (Theodora). His wife, Helena (Elene), was the sister of Ioan Uglješa (Ioannes Unklesis). She and their two daughters died between 1358 and 1364 (Ἐκοιμήθη ἡ περιπόθητος αὐταδέλφη τοῦ πανευτυχεστάτου δεσπότου κῦρ Ἰωάννου τοῦ Οὔγκλεση κυρὰ Ἐλένη, ἡ ὁμόζυγου τοῦ εὐγενεστάτου κῦρ Νικολάου τοῦ Ραδόχνα. Συνετάφησαν δὲ ταύτῃ καὶ αἱ φίλτατοι αὐτῆς δύο θυγατέρες). He founded the chapel dedicated to Saint Nicholas between 1358 and 1364, which was situated on the upper floor of the Katholikon of the Saint John Prodromos Monastery near Serres. He donated the patrimonial church of Saint Archangel with three villages Trstenik, Bežanići, Tušilo and the selište Hudine, which was granted by the Serbian Emperor to his father Branko, to the Hilandar Monastery. The Serbian Emperor Stefan Uroš V confirmed the endowment of Radonja/Roman (Nikolaos Radochnas) on 11th March 1365 in a chrysobull charter (I kako prihodi kь carьstvu mi v’sečьstni starьcь Svetije Gori Athona, Romanь, synь sěvastokratora Bran’ka, i uspomenu carьstvu mi kako se jestь zgovorilь svoimь bratōmь Grьguromь i Vlьkōmь, i kako da prilože ōdь svoje baštine crьkvi svetoi Bogorodici hilandarskoi, i za uspomenutije v’sčьsthenoga star’ca Romana svoōm bratiōmь darova mu carьstvo mi crьkovь baštinu a svetago arьhangela s trьmi seli: s Trьstěnikomь i z Běžaniki i s Tušilōmь i selištemь, što jestь dalo bilo carьstvo mi sěvastokratoru Bran’ku s Hudinami ō česa jestь žitěje u Bugare poběglь, a pod crьkovь svetu Bogorodicu hilandar’sku). His brothers gave him the permission to donate the patrimonial church of Saint Archangel with three villages Trstenik, Bežanići, Tušilo and the selište Hudine to the Hilandar Monastery (Togda myi za egovo slad’ko bratoljubïe vьsesrьdьčno i ljubovno prijesmo za egovo hotěnïe i za pomoljenïe bratьsko i priložismo crьkvь svetago Arhaggela i sь selomь Trьstenikomь i sь vsakomь pravinomь crьkve tezi i sela toga i s měgjami sь ōttěsy i s Tušiljemь. I selište Hudin’ce sь megjami i sь vsěmь oprav’danïem ihь prosto rekь sь vsěmь oprav’danïemь što e bylь gospodinь i roditelь našь sevastokratorь priložilь crьkvy toizi. I ešte velikuju ego vьspomenuv’še bratoljubnuju i vsesrьdьčnuju ljubovь. Paky i za egovo umoljennïe priložismo gospodinu i otьcu našemu Rōmanu selo Bežanikje sь vsěmi megjami sela togo). He together with Antonije Bagaš (Antonios Pagases) bought probably before 1366 a ruined monastery complex on Mount Athos dedicated to Saint Paul. The Monastery of Xeropotamu allowed them to restore and found it. The monks of the Xeropotamu Monastery demanded after a few years their former property back. Matthaios, the patriarch of Constantinople, tried to reconcile both monasteries in dispute by issuing a sigillion. The sigillion of Matthaios from October 1403 mentions also Gerasim (Gerasimos) as one of the founders of the Saint Paul Monastery. He was a benefactor of the Kutlumus Monastery on the Mount Athos since 1370. He was in the group of the monks from the Hilandar Monastery, which came to the court of Stefan Lazarević between 1392 and 1396 (I kako prïhōdi kь mně izь Hilandara čьstiěiši vь inōkōhь starьcь kyrь Gjerasimь). The monks requested the donation of the Church of the Presentation of Mary at Ibar, which was a former patrimonial possession of Obrad Dragosaljić, to the Hilandar Monastery. He transferred the body of his deceased brother Vuk Branković [Bulkos] on Mount Athos in 1397.