The founder was Marinus f. Michaelis de Mascana (1282–1313).[1] They did not play an important part in politics in the 14th and 15th centuries.[1] In the beginning of the 15th century Ragusan nobility were present in Novo Brdo as merchants or mining lords; Mlascagna were also present.[2] In the 14th century they held offices of mid-importance.[1] They were among the eleven smallest houses in the 15th century.[3]