Leif Castberg

Leif Castberg (23 April 1876 – 3 March 1950) was a Norwegian lawyer and politician for the Radical People's Party and the Conservative Party.

Personal life He was born in Skien as a son of customs surveyor and politician Johan Christian Tandberg Castberg (1827–1899) and his wife Hanna Magdalene Frisak Ebbesen (1839–1881). He had several brothers and sisters, including the politician Johan Castberg and violinist Torgrim Castberg.

Through Johan he was an uncle of law professor Frede Castberg, and through Torgrim he was an uncle of illustrator Johan Christian Castberg. He was a first cousin of sculptor Oscar Ambrosius Castberg, and his paternal grandfather Peter Hersleb Harboe Castberg was a priest and politician. both of whom were involved in politics too.

In 1900 he married Sigrid Flood; the marriage lasted until 1913. From 1921 he was married to Else Lingjerde.