Paul Hansen Birch

[1] He was born in Fåberg in Oppland, Norway to Johan Gottfried Reichenwald and Mari Birch.

[2] He was adopted by his uncle General War Commissioner Hans Jorgen Birch.

He married Jacobine Ida Sophie Motzfeldt, niece of Paul Hansen Birch's wife, and their son Peter Birch-Reichenwald became a notable politician.

Birch served as guard commander for the Norwegian Constituent Assembly at Eidsvoll in 1814.

He was an acting member of the Council of State Division in Stockholm from July to October 1822.