Background
He was born in Faaberg to Johan Gottfried Reichenwald and Mari Birch.
He was born in Faaberg to Johan Gottfried Reichenwald and Mari Birch.
They had two sons. The oldest son Christian Birch-Reichenwald became a notable politician. Paul Hansen Birch worked as a military officer, reaching the rank of general aide-de-camp for King Charles III John of Norway in 1821. He died in 1863 in Trondhjem.
He was an acting member of the Council of State Division in Stockholm from July to October 1822.