They were named after the village of Valmarana (now part of Altavilla Vicentina) in the Berici Hills, where they held fiefs from the bishop of Vicenza.
[2] According to a legend, the family was descended from the ancient Roman Maria gens.
[3] On 30 April 1540 Charles V, Holy Roman Emperor issued a special diploma making them counts palatine of Nogara.
In 1659 the family branch led by the brothers Triffone, Stefano and Benedetto was given Venetian patrician status after they paid 100,000 ducats to help fund the Cretan War[3][4][5] This made them one of the 'Case fatte per soldo' (houses whose patrician position was achieved through money).
Another line of the family did not join the Venetian patricians but did still sit in the Noble Council in Vicenza itself.