He is said to have served the king Stephen Držislav in a charter from 1068.
[1][2] According to the much debated Chronicle of Archdeacon Goricensis John, he was established to his position by a certain King Krešimir (though it is unclear whether the chronicler mixes two different rulers).
[3] He is also referred to in a charter as potens banus, meaning "powerful ban".
[1] Additionally, he is mentioned in another charter, dated 1028, which is a grant to the monastery of St. Krševan by his sister Helenica.
This Croatian biographical article is a stub.