Soamsawali
Princess Soamsawali, the Princess Suddhanarinatha, born" Mom Luang" Soamsawali Kitiyakara( on 13 July 1957), is a member of the Thai royal family, and is the former wife of her first cousin King Vajiralongkorn.
She was titled" the Princess Mother of the King's First Grandchild" after her divorce with the then crown prince in 1991.
She is also a niece of Queen Sirikit.
Archduchess Agnes Christina of Austria
Archduchess Agnes Christina of Austria( 14 December 1928 – 31 August 2007) was a member of the Tuscan line of the House of Habsburg and an Archduchess of Austria and a Princess of Tuscany by birth.
She was the great- granddaughter of Emperor Franz Joseph of Austria- Hungary.
Juan Everardo Nithard
Juan Everardo Nithard(" Johann Eberhard Nithard", in German)( Falkenstein( Upper Austria), 8 December 1607 – Rome, 1 February 1681) was an Austrian priest of the Society of Jesus, confessor of Mariana of Austria( Queen and Regent of Spain), cardinal, and" valido"( royal favorite) of Spain.
Archduke Otto of Austria (1865–1906)
Archduke Otto Franz Joseph Karl Ludwig Maria of Austria (21 April 1865 – 1 November 1906) was the second son of Archduke Karl Ludwig of Austria (younger brother of Emperor Franz Joseph I of Austria) and his second wife, Princess Maria Annunciata of Bourbon-Two Sicilies.
He was the father of Charles I of Austria, the last Emperor of Austria.
Ida of Formbach-Ratelnberg
Ida of Austria (1055 – September 1101) was a Margravine of Austria by marriage to Leopold II of Austria.
She was a crusader, participating in the Crusade of 1101 with her own army.
Archduchess Margaret of Austria (nun)
Margaret of Austria( 1536 – 1567) was an Archduchess of Austria.
Maria Anna of Savoy
Maria Anna of Savoy( 19 September 1803 – 4 May 1884) was Empress of Austria and Queen of Hungary( see Grand title of the Empress of Austria) by marriage to Emperor Ferdinand I of Austria.
Heinrich Lammasch
Heinrich Lammasch( 21 May 1853 – 6 January 1920) was an Austrian jurist.
He was a professor of criminal and international law, a member of the Hague Arbitration Tribunal, and served as the last Minister- President of Austria( or Cisleithania) for a few weeks in October and November 1918.
He was the first and only non-noble to serve as Minister- President in the Austrian half of the Habsburg Monarchy.
Johanna Theresia Lamberg
Johanna Theresia Lamberg( 1639- 1716), countess of Harrach, was a Spanish court official.
She was a lady- in- waiting and favorite of the queen regent of Spain, Mariana of Austria, in 1653- 60, with whom she corresponded until Mariana's death.
She was married to the imperial ambassador to Spain in 1673- 76, and played an important role as a mediator and channel for the sale of offices as well as in the diplomatic service, particularly concerning the proposed marriage between Charles II of Spain and Maria Antonia of Austria.
Mariana of Austria
Mariana of Austria or Maria Anna( 24 December 1634 – 16 May 1696) was Queen of Spain from 1649 until her husband and uncle, Philip IV, died in 1665.
She was then appointed regent for their three- year- old son Charles II, and due to his ill health remained an influential figure until her own death in 1696.
Her regency was overshadowed by the need to manage Spain's post- 1648 decline as the dominant global power, internal political divisions and the European economic crisis of the second half of the 17th century.
The inability of her son Charles to produce an heir led to constant manoeuvring by other European powers, which ultimately ended in the 1701 to 1714 War of the Spanish Succession.

Question: Who is older, Mariana Of Austria or Soamsawali?
Answer: Mariana Of Austria