[8] According to tradition, and recorded by some historians, the ancestors of the Petrović family settled in Muževice at the end of the 14th century, from the Bosnia region, from the area of Zenica or Travnik.

[12] Đurađ and his five sons "from Drobnjaci" are mentioned in a document dating March 1, 1399,[11] in which they gave several items to the depository of Dapko Vasilijev, an affluent Kotoran nobleman.

[13] Montenegro was ruled from its inception by vladikas (prince-bishops) since 1516, who had a dual temporal and spiritual role, subordinate to the Serbian Patriarchate of Peć until its dissolution in 1766.

[19] The latter's nephew, Michael Petrović-Njegoš, inherited the titles of his predecessors whilst in exile in France, and he survived arrest and internment by order of Adolf Hitler for refusing to head up a puppet Montenegrin state aligned to the Axis Powers.

[21][22][non-primary source needed] The law allows descendants of the dynasty to use heraldic royal symbols and grants them land that belonged to the King.

Prema tradiciji, a i zapisima nekih istoričara, doselili su iz Bosne, iz okoline Zenice, ili Travnika i da su u Drobnjake doselili, kako navodi Kovijanić, krajem 14. vijeka.Kovijanić je u kotorskom sudsko-notarskim spisima pronašao i prepisao sljedeće: Od Đurđa Bogutovića iz Drobnjaka i njegovih sinova Vukca, Radina, Heraka, Pribila i Ostoje primio je 1. marta 1399. godine Dapko Vasilijev, ugledni i imućni kotorski vlastelin u depozit ove stvari: šest srebrnih pojaseva, zavijenih u šest marama, težine 19 i po funti, dvije tacne sa izvjesnim srebrnim pucadima, težine pet unči, takođe dvije kutije perla sa svitom i sa četiri puceta perla, težine u svemu 10 unči