Queen Mathilde of Belgium, married to King Philippe; They have four children, the eldest and heir to the throne is Princess Elisabeth.
Queen ‘Masenate Mohato Seeiso of Lesotho, married to King Letsie III; They have three children, but according to local inheritance law, the youngest is the heir because he is male.
Queen Rania of Jordan, married to King Abdullah bin Al Hussein; They have four children and the eldest, Prince Hussein, is first in line to the throne.
Queen Jetsun Pema of Bhutan, married to King Jigme Khesar Namgyel Wangchuck. At just 33 years old, she is the youngest on the list. The two have a son.
Queen Pengiran Anak Saleha of Brunei, married to Sultan Hassanal Bolkiah; They have six children together, AlMuhtadee Billah, the firstborn, is the crown prince.
Queen Suthida Tidjai of Thailand, married to King Vajiralongkorn; She has been the monarch’s wife since 2019. The two have no children together.