Record of Marriage #1 (Sinding) seems to say his birthdate is 19 Nov 1814 in Nørre Snede, but there is no one with that name born in 1814 in that location. No Nørre Snede church records available before 1814 Arkivalieronline. Also checked Klovborg/Tyrsting/Grædstrup and Vinding/Byrup/Vrads.
Birthdate is corroborated by his age on Censuses 1840, 1845, 1850 (Sinding, Viborg).
CENSUS 1834 (Storgaard, Nørre Snede, Skanderborg S156)
753 shows him age 28, living at home with his father and siblings, unmarried.
Moved to Sinding 12 Aug 1839, just prior to his marriage. (Nørre Snede Parish Afgangs Liste 1839 n 24 S143)
754.
Census Details:
The family lived in Sinding Parish in a village called Knøshede.
CENSUS 1840 (Knøshede, Sinding, Viborg S148)
85 age 32.
CENSUS 1845 (Knøshede, Sinding, Viborg S149)
86 age 37.
CENSUS 1850 (Sinding, Viborg S152)
87 age 42 and widowed, living with his two sons.
CENSUS 1860 (Knøshede, Sinding, Viborg S138)
755 age 53, second wife, birthplace given as Nørre Snede.
CENSUS 1880 (Sinding Mark, Sinding, Viborg S153)
756 age 72, living with his daughter Karen and son-in-law Peter Kristian Kristensen.
No other births/deaths in this family in Sinding 1830-1870.
No death for Niels in Sinding 1880-1891. Is alive on 1880 Census.