The construction of Gammel Estrup was started around 1490 by nobleman Lave Eskesen Brock (died 1503) who built a moated fortress on the site. But it was his great-grandson,
Eske Brock (1560-1625) who rebuilt and modernized the manor. Eske Brock was a nobleman and close friend of King
Christian IV to whom he also served as a minister. Through Brock's detailed diaries we know a great deal about how a rich nobleman lived at that time. The Brock family, who owned the manor until 1625, also had a number of other estates in the area. The building then passed into the hands of the equally rich Skeel family who maintained ownership until 1926. ==Museum==