NameNiels Nielsen Kieldsen 

BirthJan 1751, Ellerup, Gjern, Gjern, Skanderborg, Danmark
Death31 Jan 1790, Gjern, Gjern, Skanderborg, Danmark
!BIRTH Parish Register, Gjern, Skanderup, Danmark, 1693-1756 (Rigsarkivet Danmark,
Arkivalieronline.dk).
CENSUS 1787 Ellerup, Gjern, Gjern, Skanderborg, 12, B4096 (Rigsarkivet Danmark, Dansk Demografisk Database) age 36.
His name is Nielsen in his daughter’s birth record but Kieldsen in the 1787 Census. This is confirmed by his death record which says “Niels Nielsen, also known as Niels Kieldsen”.
!DEATH Parish Register, Gjern, Skanderborg, Danmark, 1757-1800, p. 87 (Rigsarkivet Danmark,
Arkivalieronline.dk), age 39 years, 4 weeks. His wife is remarried later this same year.
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No betrothal or marriage record in Gjern from 1781-1790, when Berthe married her second husband.