Petar II Petrović-Njegoš
Petar II Petrović-Njegoš was born Radivoje "Rade" Petrović on in the mountain village of Njeguši, near Cetinje. His father, Tomislav "Tomo" Petrović (b. 1762–63), was a member of the Petrović clan of the Njeguši tribe of Katuni "nahiya". Njegoš's mother, Ivana Proroković, hailed from the hamlet of Mali Zalaz and was the daughter of Njeguši captain Lazo Proroković. There is no reliable information about her exact year of birth, but it is believed that she was about ten years younger than her husband. Tomo and Ivana had five children; their eldest son was Petar ("Pero"), Rade was their middle son and Jovan ("Joko") was their youngest. The couple's daughters were named Marija and Stana; Marija was married to a Montenegrin chieftain named Andrija Perović, the "serdar" (count) of Cuce, while Stana was married to Filip Đurašković, the "serdar" of Rijeka Crnojevića.
Early life of Pedro II of Brazil
Through his father, Emperor Pedro I, he was a member of the Brazilian branch of the House of Braganza. This, in turn, was an illegitimate branch of the Capetian dynasty. He was thus grandson of João VI and nephew of Miguel I. His mother was the Archduchess Maria Leopoldina, daughter of Francis II, last Holy Roman Emperor. Through his mother he was a nephew of Napoleon Bonaparte and first cousin of Emperors Napoleon II of France, Franz Joseph I of Austria and Maximilian I of Mexico. Among his ancestors, it can be cited Charles V, Holy Roman Emperor and King Louis XIV of France.