Albert II, Prince of Monaco of state to have reached the North Pole. Prince Albert is the Vice-Chairman of the Princess Grace Foundation-USA, an American charity founded in 1982, after his mother's death, which supports emerging artists in theatre, dance, and film, as Princess Grace did in her lifetime. In 2006, Prince Albert created the Prince Albert II of Monaco Foundation, which continues the Principality of Monaco's commitment by supporting sustainable and ethical projects around the world. The foundation focus on three main challenges: climate change and renewable energy development; combating the loss of biodiversity; and water management (improving universal access to clean water). Albert
Constantine III, Prince of Mukhrani III married twice. Once with Princess Ketevan (her surname is not known) and secondly Princess Barbare Eristavi of Aragvi. Constantine had four children: Constantine III, Prince of Mukhrani Constantine III (, "Konstantine III Mukhranbatoni") (1696 – 26 October 1756) was a Georgian prince and the head of the Mukhrani branch of the royal Bagrationi dynasty of Kartli. He was Prince ("batoni") of Mukhrani and "ex officio" commander of the Banner of Shida Kartli and Grand Master of the Household ("msakhurt-ukhutsesi") at the court of Kartli from 1735 and 1756. Constantine was a military commander under his suzerains, Georgian kings Teimuraz