His uncle was Philips Erard van der Noot, bishop of Ghent.

His son Jean Antoine made a powerful alliance with Marie Josepha Taye, and his male heirs inherited the title of Marquess of Assche.

The House had two Bishops of Ghent ,the last Princess Abbess of Nivelles (1776-1794) Marie Felicite, and the first Apostolic Vicar of Luxembourg (1833-1842),Johann Theodor (1769-1843).

In 1816 the family obtained the rank of Count van der Noot for all members.

Theodore was considered one of the richest noblemen of the kingdom, possessing several estates including the Chateau des Amerois.