Ostrava (Polish: "Ostrawa" , German: "Ostrau" or "Mährisch Ostrau") is a city in the north-east of the Czech Republic and is the capital of the Moravian-Silesian Region.
 It is 15 km from the border with Poland, at the meeting point of four rivers: the Odra, Opava, Ostravice and Lučina.
 In terms of both population and area Ostrava is the third largest city in the Czech Republic, the second largest city in Moravia, and the largest city in Czech Silesia; it straddles the border of the two historic provinces of Moravia and Silesia.
 The population was around 300,000 in 2013.
 The wider conurbation – which also includes the towns of Bohumín, Doubrava, Havířov, Karviná, Orlová, Petřvald and Rychvald – is home to around 500,000 people, making it the largest urban area in the Czech Republic apart from the capital, Prague.
Vasudeva IV was reportedly a Kushan King ruling in Kandahar.
 He was the possible father of Vasudeva of Kabul.
Osaka (大阪市 , Ōsaka-shi ) (] ;    ) is a designated city in the Kansai region of Japan.
 It is the capital city of Osaka Prefecture and the largest component of the Keihanshin Metropolitan Area, the second largest metropolitan area in Japan and among the largest in the world with over 19 million inhabitants.
 Situated at the mouth of the Yodo River on Osaka Bay, Osaka is the second largest city in Japan by daytime population after Tokyo's 23 wards and the third largest city by nighttime population after Tokyo's 23 wards and Yokohama, serving as a major economic hub for the country.
Kandahar ( ) or Qandahar (Pashto: کندهار‎ "Kandahār" ; Dari: قندهار‎ ‎ "Qandahār" , known in older literature as Candahar) is the second-largest city in Afghanistan, with a population of about 491,500 as of 2012 .
 Formerly called Alexandria Arachosia, the city is named after Alexander the Great, who founded it in 329 BC around a small ancient Arachosian town.
 Kandahar is the capital of Kandahar Province, located in the south of the country at an altitude of 1,010 m above sea level.
 The Arghandab River runs along the west of the city.
 The city of Kandahar has a population of 557,118.
 It has 15 districts and a total land area of 27,337 hectares.
 The total number of dwellings in Kandahar is 61,902.
Princess Htake Hsu Myat Phaya (Burmese: ထိပ္စုမြတ်ဖုရား ; born in Madras at 7 March 1886 - 21 July 1962), was a Burmese princess and senior member of the Royal House of Konbaung.
 she is the third daughter of the last ruling king of Burma, King Thibaw.
 She married her first husband, Htake Tin Ko Taw Gyi (died at Rangoon, 22 October 1954 or 11 November 1954), a grandson of Kanaung Mintha in 1922 and divorced him in 1929.
 She married her second husband, U Mya U (who died during the Japanese occupation), a lawyer.
Kadgaon is a town situated Gadhinglaj Taluka of Kolhapur District situated in the southwest corner of the state of Maharashtra, India.
 Kadgaon is about 4 km from Gadhinglaj, 79 km from Kolhapur.
Kadgaon is situated on MH SH 134 and is about 15 km from National Highway 4 (NH4).
 It is managed by Town Council.
 It is in the phase of transforming from a small town to a bustling city.
 It is the second largest city after Gadhinglaj in Gadhinglaj Taluka also second largest city in Gadhinglaj sub division which Include talukas of Gadhinglaj, Ajra, Bhudargad, Chandgad.
 As of 2012 it has a population of about 20,851.
 Kadgaon has amenities that are of the level of Municipal Council in India.
 Kadgaon has developed as an industrial hub in recent years.
 It has a strong agricultural sector and is known for its sugarcane, jaggery and red chili production.
 It is well connected to all of Kolhapur and Maharashtra.
 It has a very excellent civic amenities.
 Like in most of the case in the Maharashtra the primary Language spoken is Marathi with 20,851 speaking as their primary Language.
Kenema is the second largest city in Sierra Leone, and the largest city in the Eastern Province of Sierra Leone.
 The city is the capital of Kenema District and is a major economic center of the Eastern Province.
 Kenema officially overtook Bo as Sierra Leone second largest city, after it's surpassed Bo by population in the 2015 Sierra Leone national census.
Prince Ageel bin Muhammad al-Badr Hamidaddin (Arabic: عقيل بن محمد البدر حميد الدين) is also known as Ageel Al Shami or Yusuf Shami (born London in 1974) is the eldest son of Muhammad al-Badr, the last ruling king of the Yemen and Muhammad al-Shami, by his fourth wife.
Iraan ( ) is a city in Pecos County, Texas, United States.
 The population was 1,229 at the 2010 census.
 It was named for Ira and Ann Yates, owners of the ranch land upon which the town was built.
 It is the second largest city in the second largest county in the second largest state.
Baghdad (Arabic: بغداد‎ ‎ , ) is the capital of Iraq.
 The population of Baghdad, as of 2016 , is approximately 8,765,000, making it the largest city in Iraq, the second largest city in the Arab world (after Cairo, Egypt), and the second largest city in Western Asia (after Tehran, Iran).

Question: Who was the son of the ruling king of the second largest city in Afghanistan
Answer: Vasudeva of Kabul