CENSUS 1801 (Ellerup, Gjern, Skanderborg S474)
824 age 14.
CENSUS 1834 (Horn, Tvilum, Skanderborg S473)
568 age 47.
CENSUS 1845 (Horn, Tvilum, Skanderborg S472)
569 age 57, birthplace Giern S., [Skanderborg] A.
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Only one Maren Nielsdatter born in 1786-1788 in Gjern: daughter of Niels Nielsen & wife, born 8 p Trin 1787 in Ellerup.
She is also the only Maren Nielsdatter who is the right age (14) in the 1801 Census.