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.
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.
Suhaim bin Hamad Al Thani
Suhaim bin Hamad bin Abdullah bin Jassim bin Muhammed Al Thani( 1933- 21 August 1985) was a member of the ruling family of Qatar who served as the country's foreign minister.
His brother, Khalifa bin Hamad Al Thani, was the emir of Qatar.
Hamad bin Suhaim Al Thani
Sheikh Hamad bin Suhaim bin Hamad bin Abdullah bin Jassim bin Muhammed Al Thani( born 1958 in Doha), is a former government minister of Qatar.
He is the son of Sheikh Suhaim bin Hamad Al Thani, the granduncle( and father- in- law, through the current Emir's first marriage to Hamad's daughter Sheikha Jawahir bint Hamad bin Suhaim al- Thani) of the current Emir of Qatar, Tamim bin Hamad Al Thani.
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.
Zayed bin Sultan Al Nahyan
Sheikh Zayed bin Sultan Al Nahyan ; 6 May 1918 – 2 November 2004) was the ruler of Abu Dhabi for more than 30 years (6 August 1966 – 2 November 2004).
He was the founding father and the principal driving force behind the formation of the United Arab Emirates, becoming the Union's first "Raʾīs" (President), a post which he held for a period of almost 33 years (1971 until his death in 2004).
He is popularly referred to in the UAE as the Father of the Nation.
Issa bin Zayed Al Nahyan
Issa bin Zayed Al Nahyan  is the son of former United Arab Emirates President Zayed bin Sultan Al Nahyan; the half brother of the present ruler of Abu Dhabi, the President Khalifa bin Zayed Al Nahyan; and the half brother of Crown Prince Mohammed bin Zayed Al Nahyan.
Although a member of the royal family and apart from being a prominent real estate developer in the UAE, being the owner of Al Hekma Tower in Dubai, Issa bin Zayed holds no official or political position within the government of the United Arab Emirates.
In April 2009
Issa bin Zayed was subject to a controversy in which a video tape of torture smuggled out of the United Arab Emirates to the United States by two Palestinian brothers, who were his business associates, showed Issa mercilessly torturing a man with whips, electric cattle prods, and wooden planks with protruding nails and running him over repeatedly with an SUV.
Issa bin Zayed was initially put under arrest with the UAE government stating that matters were resolved "privately".
One of the Palestinian brothers, Nabulsi, claimed Issa bin Zayed breached his contract and subjected him to torture, emotional distress, and malicious prosecution and demanded $80 million in repatriation.
Emirati court found Issa not guilty on the principle of diminished responsibility and instead condemned and sentenced the two brothers for using the video as blackmail and extortion.
The court was accused, by international human rights observers, of having failed to deliver justice.
Muhammad bin Jabr Al Thani
Muhammad bin Jabr bin Muhammed Al Thani( 1916 – May 1983) was a member of the Qatari royal family.
He was the son of Jabr bin Muhammed Al Thani and the grandson of Sheikh Mohammed bin Thani, the second Emir of Qatar.
Muhammad al Thani was Minister of Municipal Affairs from 1972 to 1983 under Emir Khalifa bin Hamad Al Thani, the grandson of his cousin.
He died in May 1983.
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.
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.

Question: What is the date of birth of Issa Bin Zayed Al Nahyan's father?
Answer: 6 May 1918