 But by August he saw the futility of this plan and in 1418 returned the castle to the control of the Schultheiss family.After lengthy negotiations, Bern was able to secure control of the County of Lenzburg as subtenants in 1433 and finally in 1442 of the castle.The first Bernese Landvogt took up residence in the castle in 1444, governing the district of Lenzburg from there.