Grzegorz Antoni Ogiński
Grzegorz Antoni Ogiński (born 23 June 1654; died 17 October 1709 in Lublin) was a Polish-Lithuanian Hetman and governor-general of the Duchy of Samogitia from 1698. He was the fourth and youngest son of Jan Jacek Ogiński, also a hetman.
Ogiński was one of the leaders of the uprising against the Sapieha Lithuanian magnates. He was successful in the Lithuanian Civil War which culminated in the Battle of Valkininkai on 18 November 1700. After the battle, Michał Franciszek Sapieha the main leader of the Sapieha faction, as well as many other members of the family and its supporters, were murdered by a drunken mob of szlachta.
Ogiński was a supporter and close *ociate of King Augustus II the Strong. He was made the Field Hetman of Lithuania on 20 November 1703 and in 1709 the Great Hetman of Lithuania. He was made Knight of the Order of the White Eagle in 1705.
His father was Jan Jacek Ogiński (died 1684), also a Hetman. He was married to Teofila Czartoryska and had a son, Kazimierz Marcjan Ogiński (died 1727) and a daughter Elżbieta Magdalena Ogińska.