[5][6] These characteristics as a symbol of ancestry can be found in the coat of arms of younger noble families of Bobolić, Čegel, Dobrečić, Oršić, and Utješenić.

[11][12] It is considered that the first known member is Vniha Lapčan (Vunycha, Vonycha, Vnicha, Vnyche de Lapuch),[13] who married the Croatian princess Klauda, daughter of King Demetrius Zvonimir (1075–1089).

[14][10] Another possible early ancestor of the genus is župan Martin from Karinjan and Lapčan, inferred as the son of the couple above in some primary sources,[15] and who was one of the twelve noblemen mentioned in Pacta conventa (1102) that negotiated with Coloman, King of Hungary.

[10] The tribe's certain mention is since the mid-12th century, specifically, 1166 when are recorded Stanče Petrov and Berinja Črnotin as witnesses about Church of St. Chrysogonus from Zadar and settlement of Kamenjane.

[16] In 1258, Bogdan and Stanislav of Hreljin as well Stipan and Radovan of Bogdoslav for their service to the knez Ladislav Gusić of Krbava received village Gomiljane in former Bužani županija (located in Central-Southern Lika).

In 1263, nobles from Lapac were accused of disrupting freedom of a king's fort subjects but were defended at the court by Ban of Slavonia, Roland I Rátót, because of their loyalty, settling boundary areas and their low number.

[8][10] In 1334, was confirmed estate Grabrovnik in Lapačko polje to Vuk Hemov and brothers Jurko and Hem of Hemin by the nobles from Kurjaković family (a branch of Gusić's).

[10] In the 14th century the Lapčan members, and Karinjani, estates mostly were in the županija of Luka, specifically Dobruća Vas, Mogorova Dubrava, Dolčani, Dragine, Lemeševo Hrašće, and Karin,[8] as well as Draginići, Snojaci, Podnadin (Dubčane, Vitorišćina, Butinci), Polači, Moklama, Tihlić, Jagodno, Meljača, Kačina Gorica, Podbrižane, Visočane, Murvica, Sonković, Topolje, Slano, Vukšić, Blato, Karli, Borlić.

[10] According to Vjekoslav Klaić, the 15th century families who descended from them are: Baldačić, Boričević, Božilović, Čibudinić, Čulić, Grgurić, Hrvatin, Hvaoković, Karlović, Kenlić, Krčelić, Lapić, Livac, Lučić, Mečar, Mrmonjić, Murtilić, Našmanić, Račečević, Ratković, Silić, Staničković, Starički, Strižić, Tulavčić, Utišenić and Vojslavić, who lived in the villages of Strižiće, Blizane, Brgud, Drihovo, Glavace, Dobričeviće and Konjščane, as well forts suburb of Rmanj (Konuba), Ostrovica, and Lapac.

[10] Until the beginning of the 16th century, descendants of the Lapčan's from Gomiljane spread to near Vasca and branched to many families, including Dobrečić,[10] Jarić, Culić, Rošković, Budisavljević, Jandrij, Tunko, Kraljić, Krznarić, Mavar and Lučković mentioned in 1501 and 1508.

[8] Direct descendants from these noblemen can be followed in historical sources and by 14th and 15th century branched into several families, including Našmanić,[24] Bumbić, Borinić, Korlatović, Slavutinić,[25] Stipković, Dražetić, Božičković, Oplanović,[16] Marković,[26] Žuvelić,[27][28] Mrdešić,[29] Marinić and Matijašević,[30] and possibly Dujmović and Matanić.

[16][34] He was prominent in fighting against the Ottoman Empire forces, including assistance to Petar Kružić at the Siege of Klis in 1527,[35] and advocated coronation of John Zápolya.