1929
daughter Nelly O'Brien de Lacy
Maurycy O’Brien de Lacy with his wife Nadzieja Drucka and children
Patrick O'Brien de Lacy wearing uniform of the Russian army
Terencjusz O’Brien de Lacy was born on May 30, 1885 in Augustówek manor near Grodno (today’s Belarus) into a noble family of an Irish Count Alexander O’Brien de Lacy and Polish Gabriela Radovitska. There were 2 more sons in the family, Maurycy and Patrick.
During World War I, he served as an officer in the so-called “Savage Division” or Caucasian Native Cavalry Division (cavalry division of the Imperial Russian Army). After the October Revolution, he returned to his family estate in Augustówek near Grodno. In 1921, he took command of the 10th Lithuanian Uhlans in the Bialystok garrison. In 1922 he was promoted to the rank of Lieutenant Colonel. From 1922 he served as commander of the 13th Vilna Uhlans Regiment, located in the city of Glubokoe. Since 1927, he was a Cavalry Inspector in Grodno. On November 30, 1928, he retired and was sent to the reserve of the Command of the Corps III Military District in Grodno. His further career is unknown.
His daughter Nelly O'Brien de Lacy emigrated to Argentina during the World War II, where she became a famous artist.
