With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Vlad the Impaler's father was murdered in 1447.
text_B: Vlad III , known as Vlad the Impaler -LRB- Vlad Tepes -LSB- pronˈvlad ˈtepes -RSB- -RRB- or Vlad Dracula -LRB- 1428 / 311476 / 77 -RRB- , was voivode -LRB- or prince -RRB- of Wallachia three times between 1448 and his death .. Wallachia. Wallachia. Dracula. Dracula. He was the second son of Vlad Dracul , who became the ruler of Wallachia in 1436 .. Wallachia. Wallachia. Vlad Dracul. Vlad Dracul. Vlad and his younger brother , Radu , were held as hostages in the Ottoman Empire from 1442 to secure their father 's loyalty .. Radu. Radu cel Frumos. Ottoman Empire. Ottoman Empire. Vlad 's father and eldest brother , Mircea , were murdered after John Hunyadi , Regent-Governor of Hungary , invaded Wallachia in 1447 .. Wallachia. Wallachia. Mircea. Mircea II of Wallachia. John Hunyadi. John Hunyadi. Hunyadi installed Vlad 's second cousin , VladislavII , as the new voivode .. Hunyadi launched a military campaign against the Ottomans in the autumn of 1448 , and Vladislav accompanied him .. Vlad broke into Wallachia with Ottoman support in October , but Vladislav returned and Vlad sought refuge in the Ottoman Empire before the end of the year .. Wallachia. Wallachia. Ottoman Empire. Ottoman Empire. Vlad went to Moldavia in 1449 or 1450 , and later to Hungary .. Moldavia. Moldavia. He invaded Wallachia with Hungarian support in 1456 .. Wallachia. Wallachia. Vladislav died fighting against him .. Vlad began a purge among the Wallachian boyars to strengthen his position .. Wallachian boyars. Wallachian boyars. He came into conflict with the Transylvanian Saxons , who supported his opponents , Dan and Basarab Laiota -LRB- who were Vladislav 's brothers -RRB- , and Vlad 's illegitimate half-brother , Vlad the Monk .. Transylvanian Saxons. Transylvanian Saxons. Dan. Dan III of Wallachia. Basarab Laiota. Basarab Laiota cel Batran. illegitimate. Legitimacy ( family law ). Vlad the Monk. Vlad the Monk. Vlad plundered the Saxon villages , taking the captured people to Wallachia where he had them impaled -LRB- which gave rise to his cognomen -RRB- .. Wallachia. Wallachia. impaled. Impalement. cognomen. cognomen. Peace was restored in 1460 .. The Ottoman Sultan , Mehmed II , ordered Vlad to pay homage to him personally , but Vlad had the sultan 's two envoys captured and impaled .. impaled. Impalement. Ottoman Sultan. Ottoman Sultan. Mehmed II. Mehmed II. In February 1462 , he broke into Ottoman territory , massacring tens of thousands of Turks and Bulgarians .. Mehmed launched a campaign against Wallachia to replace Vlad with Vlad 's younger brother , Radu .. Wallachia. Wallachia. Radu. Radu cel Frumos. Vlad attempted to capture the sultan at Targoviste during the night of 1617June 1462 .. attempted to capture the sultan. The Night Attack of Targoviste. Targoviste. Targoviste. The sultan and the main Ottoman army left Wallachia , but more and more Wallachians deserted to Radu .. Wallachia. Wallachia. Radu. Radu cel Frumos. Vlad went to Transylvania to seek assistance from Matthias Corvinus , King of Hungary , in late 1462 , but Corvinus had him imprisoned .. Matthias Corvinus. Matthias Corvinus. King of Hungary. King of Hungary. Vlad was held in captivity in Visegrad from 1463 to 1475 .. Visegrad. Visegrad. During this period , anecdotes about his cruelty started to spread in Germany and Italy .. He was released at the request of Stephen III of Moldavia in the summer of 1475 .. Moldavia. Moldavia. Stephen III of Moldavia. Stephen III of Moldavia. He fought in Corvinus 's army against the Ottomans in Bosnia in early 1476 .. Hungarian and Moldavian troops helped him to force Basarab Laiota -LRB- who had dethroned Vlad 's brother , Radu -RRB- to flee from Wallachia in November .. Wallachia. Wallachia. Radu. Radu cel Frumos. Basarab Laiota. Basarab Laiota cel Batran. Basarab returned with Ottoman support before the end of the year .. Vlad was murdered before 10January 1477 .. Books describing Vlad 's cruel acts were among the first bestsellers in the German-speaking territories .. In Russia , popular stories suggested that Vlad was able to strengthen central government only through applying brutal punishments , and a similar view was adopted by most Romanian historians in the 19th century .. Vlad 's reputation for cruelty and his patronymic gave rise to the name of the vampire Count Dracula in Bram Stoker 's 1897 novel Dracula .. vampire. vampire. patronymic. patronymic. Count Dracula. Count Dracula. Bram Stoker. Bram Stoker. Dracula. Dracula
related.