He is known for his work on G-Force (2009), The Nun (2018) and Swiss Army Man (2016). 'He's healthy … David has a brother named Eric Christian Olsen, who has a career similar to him. The actress and husband David Paul Olsen are expecting their second child. He has been married to Daniela Ruah since June 19, 2014. NCIS: Los Angeles star Daniela Ruah welcomed her first child - son River Isaac Ruah Olsen - with fiancé David Paul Olsen on Monday. They have two children. David actually grew up in Bettendorf, Iowa, as his parents moved there when he was very young. David Paul Olsen, Stunts: G-Force. David Paul Olsen was born on January 2, 1976 in Moline, Illinois, USA. Daniela Ruah (L) and brother-in-law Eric Christian Olsen at the People's Choice Awards last year. His father is Paul Olsen, a doctor, and his mother is Jeanne D. Olsen, who also had a career in the entertainment industry.