Background
His father was Žarko, a leading nobleman in Zeta after Emperor Stefan Dušan"s death, mentioned in June 1357 as Emperor Uroš"s nobleman.
His father was Žarko, a leading nobleman in Zeta after Emperor Stefan Dušan"s death, mentioned in June 1357 as Emperor Uroš"s nobleman.
Mrkša"s mother was Teodora Dejanović, the daughter of Dejan, one of Stefan Dušan"s magnates, and Teodora Nemanjić, Dušan"s sister. In 1391, Mrkša married Ruđina Balšić, the daughter of Balša II, a lord in Zeta, and Komnina Asen, daughter of Jovan Asen. As a dowry Balša II received Valona, Berat, Kanina, and Himarë in the south of Albania.
Mrkša became a Lord of Berat, Valona and Kanina.
Mrkša was able to hold his territories until his death in October 1414. So in 1417, the whole area was conquered by the Ottoman Empire.