Background
He was born in Bærum as a son of Thron Bryn (1836–1890) and his wife Karen Tanum (1846–1920).
politician member of the Parliament of Norway
He was born in Bærum as a son of Thron Bryn (1836–1890) and his wife Karen Tanum (1846–1920).
He finished middle school in 1890, and subsequently ran the farms Bryn and Rud in Western Bærum.
He was a first cousin and brother-in-law of fellow politician Alf Staver. He was later elected to the Parliament of Norway from Akershus in 1921 and 1924, and later served as a deputy representative during the term 1928–1930. Three of the delegates also joined the Agrarian Party, but Bryn remained in the Conservative Party.
He was a church verger at Bryn Church for over fifty years.
He was a member of Bærum municipal council from 1901 to 1922, serving as deputy mayor from 1904 to 1909 and mayor from 1910 to 1916. As a member of the Norwegian Agrarian Association, he was one of four delegates from Bærum at the meeting in 1920 that decided to found the Agrarian Party. He was a board member of Bærums Sparebank and Østlandets Melkesentral.