Mladen I Šubić of Bribir

[1] He was a brother of a ban of Croatia Paul I Šubić of Bribir, who appointed Mladen as a commissar of the Dalmatian city of Split, along with Klis Fortress.

After Paul I Šubić declared himself as "Dominus of Bosnia" in 1299, he gave to Mladen I the title of Bosnian Ban.

Stephen Kotroman had resisted the growth of Šubić's power in Bosnia, but had lost by 1300 most control over Bosnia to Mladen I Šubić.

Mladen I controlled most of it, and small part of Bosnia land (the Lower Edges) was ruled by Prince Hrvatin Stjepanić, who was a vassal of the House of Šubić, which was confirmed by Charles I of Hungary.

[1] He was inherited by his nephew Mladen II Šubić, who needed help, so Pavao I Šubić himself had to lead an Army to crush the resistance in Bosnia.