Thomas, Bishop of Vác
[2][4] Thomas and his brothers acquired a portion in Kemlék in Križevci County (today Kalnik, Croatia) in a courtesy of Béla IV in January 1265.
Around 1268 and 1269, Thomas and his brothers were granted the right of exception from the jurisdiction of the local ispán in Križevci County; they could appeal directly to the ban of Slavonia.
[2] Later, Thomas, as provost of Hánta, sold the estate Nyulas to Abbot Boniface of Pannonhalma for 20 silver marks with the consent of the chapter of Győr.
[2] During the Bohemian–Hungarian War in 1271, Stephen V sent Thomas, along with Paul Balog and Roland Rátót, to the court of Ottokar II of Bohemia in mid-May to negotiate a ceasefire with the Bohemian king.
[9] Due to the devastation of the Diocese of Veszprém during the civil war in the previous year, Thomas – citing his faithful service in diplomacy during the reigns of Béla IV, Stephen V and Ladislaus IV – requested Ladislaus to donate the royal estate Ecsi and three lands called Beyr to the provostry of Hánta as compensation for the losses.
[14] After papal legate Philip of Fermo arrived to the Kingdom of Hungary in early 1279, Thomas belonged to his accompaniment and resided in Buda.
Years later, in November 1282, Pope Martin IV commissioned Thomas to investigate the circumstances of his election and confirm Gerard to his position.
In December 1283, Thomas and his brothers, comes John, Christopher and Stephen (plausibly Paul was deceased by then) acquired all Slavonian lands and accessories of the disloyal Zaheus, son of Adrian, who was killed when unlawfully laid siege to the castle of comes Germanus, through a royal donation made by the king.
[15] Due to their permanent absence from the province, the landholdings of Thomas and his brothers in Slavonia were constantly pillaged and ransacked by the local oligarchic powers, the Kőszegis and Babonići.
He was frequently called incorrectly vice-chancellor by contemporary sources in the upcoming years; the roles of the two offices were not clear due to the disintegrating government.
The king, who preferred the Cumans' way of life, politically isolated, but Thomas was among the few who kept their loyalty to the monarch and remained members of his dwindling entourage.
In August 1285, Thomas rented the fortified archiepiscopal mansion and stone tower on Margaret Island from Archbishop Lodomer of Esztergom for eight years, in order to protect his assets and treasures.
[23] Prior to his death, Thomas unlawfully seized the village Osztroluka in Zólyom County (present-day Ostrá Lúka, Slovakia) from the original possessor Zyman.
[21] Sometime between February and June, Thomas was assassinated within the walls of the aforementioned archiepiscopal fort by an unidentified lord during a harsh dispute because of his alleged pro-Ladislaus and pro-Cuman political positions.
