Background
He was a son of the Baltic German Otto Nieroth and Gertrud Baranoff.
He was a son of the Baltic German Otto Nieroth and Gertrud Baranoff.
The exact date and location of his birth are unknown, but believed to be in Finland. He was first recorded in 1671 as a cornet of the Swedish Army in Swedish Pomerania. In 1692 he had risen to the rank of lieutenant colonel, in 1700 to major general and in 1704 to lieutenant general.
During the Great Northern War Nieroth was involved in several successful battles, the Battle of Warsaw (1705) being his greatest success.
After Vyborg was lost in 1710, Nieroth was sent to try to reclaim lieutenant He assembled 10,000 men, who besieged the city in 1711 but lacked equipment to enter it, and had to retreat.
He died suddenly during a temporary halt in Sarvlax manor (Finnish: Sarvilahti) in Pernå parish, on January 25, 1712. He was elevated to friherre and count on June 26, 1706.