At around the same time, the Lords of Reinach (named after their castle of Unter-Rinach, in a neighboring village), owned much of the property in the village. Reinach, together with Menziken, Burg and Wilhof, formed the lands of the Lords of Reinach. The sovereign rights of the Lords of Reinach fell in 1402 or 1404 to the Ribi family, the schultheiss of Lenzburg, and the Alsatian noble family of Mörsberg.
Around the same time period, the Lords of Reinach, who resided at Unter-Rinach castle, held a substantial amount of land within the village.  Reinach, along with Menziken, Burg and Wilhof, formed a group of lands under their control. In 1402 or 1404, the ownership of these lands was transferred to the Ribi family, the schultheiss of Lenzburg, and the Alsatian noble family of Mörsberg.