Over- and Neder-Heembeek, Figurative map of tithes, sketching the outlines of the two villages before their merger, with their respective core, 1746. AVB, Administrative collection, Public works and Town planning, PP 2540 [The tithe - or "tenth tax" - was a fee of an ecclesiastical nature, the payment of which in Carolingian times led to the gradual formation of parish territories, which in turn were to serve as 'matrices' for municipal territories under the Ancien Régime].
![Over- and Neder-Heembeek, Figurative map of tithes, sketching the outlines of the two villages before their merger, with their respective core, 1746. AVB, Administrative collection, Public works and Town planning, PP 2540 [The tithe - or "tenth tax" - was a fee of an ecclesiastical nature, the payment of which in Carolingian times led to the gradual formation of parish territories, which in turn were to serve as 'matrices' for municipal territories under the Ancien Régime].](https://archives.brussels.be/sites/default/files/images-gallery/avb_pp_2540.jpg "Over- and Neder-Heembeek, Figurative map of tithes, sketching the outlines of the two villages before their merger, with their respective core, 1746. AVB, Administrative collection, Public works and Town planning, PP 2540 [The tithe - or \"tenth tax\" - was a fee of an ecclesiastical nature, the payment of which in Carolingian times led to the gradual formation of parish territories, which in turn were to serve as 'matrices' for municipal territories under the Ancien Régime].")