Khalid bin Hamad bin Abdullah Al Thani
Khalid bin Hamad bin Abdullah bin Jassim bin Muhammed Al Thani( born 1935 in Doha) is a former Minister of Interior of Qatar, as which he served from 1972 to 1989.
He is the son of Sheikh Hamad bin Abdullah Al Thani and Sheikha Sarah bint Mohammed Al Thani and the grandson of Abdullah bin Jassim Al Thani and Mohammed bin Jassim Al Thani.
After the coup of 1972 his half- brother Sheikh Khalifa bin Hamad Al Thani appointed him as the Minister of the Interior.
Saud bin Abdelaziz bin Hamad Al Thani
Shaikh Saud bin Abdelaziz bin Hamad bin Abdullah bin Jassim bin Muhammed Al Thani( 1949 in Qatar)
He is the cousin of Qatari ruler Hamad bin Khalifa Al Thani, grandson of Hamad bin Abdullah Al Thani and great- grandson of Abdullah bin Jassim Al Thani.
Estimates of his net worth range from 3- 12 billion USD.
Joaan bin Hamad bin Khalifa Al Thani
Sheikh Joaan bin Hamad bin Khalifa Al- Thani( born 23 July 1986) is a close member of Royal House of Thani.
He is the fifth son of former Emir of Qatar, Sheikh Hamad bin Khalifa Al Thani, and the third child of the Emir with his second wife, Sheikha Moza bint Nasser Al Missned.
Khalifa bin Hamad Al Thani
Sheikh Khalifa bin Hamad bin Abdullah bin Jassim bin Mohammed Al Thani( 17 September 1932 – 23 October 2016) was the Emir of Qatar from 27 February 1972 until he was deposed by his son Hamad bin Khalifa on 27 June 1995.
He was the grandfather of the current Emir, Tamim bin Hamad Al Thani.
Jassim bin Hamad bin Khalifa Al Thani
Jassim bin Hamad bin Khalifa Al Thani( born 25 August 1978) is the former heir apparent of Qatar.
He is the third son of the former Emir of Qatar, Sheikh Hamad bin Khalifa Al Thani, and the first child of the Emir with his second wife, Sheikha Moza bint Nasser Al Missned.
Mohammed bin Hamad bin Khalifa Al Thani
Sheikh Mohammed bin Hamad bin Khalifa Al Thani( born 18 April 1988) is a member of the Royal House of Thani.
He is the brother of the Emir of Qatar, Sheikh Tamim bin Hamad Al Thani and the son of the former Emir of Qatar, Sheikh Hamad bin Khalifa Al Thani, with his second wife Sheikha Moza bint Nasser.
Thani bin Hamad bin Khalifa Al-Thani
Sheikh Thani bin Hamad bin Khalifa Al-Thani is the brother of the Emir of Qatar Tamim bin Hamad Al Thani, and son of the country's Father Emir Hamad bin Khalifa Al Thani.
Al-Thani sits on the board of directors of the Doha Film Institute and International Bank of Qatar.
Al-Thani has met with numerous heads of state on behalf of the Qatari government, including Sudan's President Omar al-Bashir in Khartoum, Sudan, April 2017, and Turkey's President Recep Tayyip Erdoğan in Ankara, Turkey, June 2016.
In September 2016, alongside Qatar's Emir and foreign minister, he attended the Seventy-first session of the United Nations General Assembly.
In September 2015, Al-Thani, with his family, visited the Ruler of Dubai and Vice President and Prime Minister of the United Arab Emirates, Mohammed bin Rashid Al Maktoum, at Zabeel Palace, to express condolences on the death of the Ruler's son Rashid bin Mohammed Al Maktoum.
In April 2017, Al-Thani visited Saudi Arabia's Governor of Mecca, Khalid bin Faisal Al Saud, to share his condolences on the death of Prince Khalid's brother Saad bin Faisal.
Al-Thani has attended several equestrian events on behalf of Qatar's royal family including the Ascot Gold Cup at Ascot Racecourse, and the Prix de l'Arc de Triomphe at Longchamp Racecourse.
He has presented prestigious awards such as Qatar's Gold Sword and the Emir's Sword at a number of major horse races in Qatar.
With the father Emir, Al-Thani inaugurated the Mall of Qatar, one of the Middle East's largest retail and leisure destinations, in April 2017.
Other notable siblings of Al-Thani include the Deputy Emir of Qatar and Chairman of the Qatar Investment Authority, Abdullah bin Hamad bin Khalifa Al Thani, Chairman of the 2022 FIFA World Cup, Mohammed bin Hamad bin Khalifa Al Thani, President of the Qatar Olympic Committee and owner of Al Shaqab racing, Joaan bin Hamad bin Khalifa Al Thani, Chairperson of Qatar Museums and Doha Film Institute, Al-Mayassa bint Hamad bin Khalifa Al-Thani, Vice Chairperson and CEO of Qatar Foundation, Hind bint Hamad bin Khalifa Al-Thani, Chairman of Aspire Academy and owner of Katara, Jasim bin Hamad bin Khalifa Al Thani, and owner of Al-Anabi racing Khalid bin Hamad Al Thani.
Al-Thani is popular on social media in the Middle East with 100,000 Instagram followers as of May 2017.
Khalifa Bin Hamad Bin Khalifa Al Thani
Sheikh Khalifa Bin Hamad Bin Khalifa Al Thani (born 11 November 1991 known as K.H.K.) is a Qatari royal.
Urs Käufer
Urs Käufer( born 17 November 1984 in Neu- Ulm, Bavaria) is a German rower.
Abdullah bin Hamad bin Khalifa Al Thani
Abdullah bin Hamad bin Khalifa Al Thani( born 9 February 1988) is the Deputy Emir of the State of Qatar and unofficial heir presumptive to Emir of Qatar.
He is the son of the 7th and former Emir, Sheikh Hamad bin Khalifa Al Thani, and a younger half- brother of the 8th and current Emir, Sheikh Tamim bin Hamad Al Thani.
His mother is Sheikha Noora bint Khalid Al Thani.
In November 2014, Tamim bin Hamad Al Thani appointed Abdullah to the post of Deputy Emir.

Question: Do Jassim Bin Hamad Bin Khalifa Al Thani and Urs Käufer share the same nationality?
Answer: no