Colleges of Durham University mixed in 2005 with the admittance of male undergraduates. One college, Ustinov, admits only postgraduates. Durham operates a collegiate structure similar to that of the University of Oxford and the University of Cambridge, in that all colleges at Durham, being constituent colleges of a "recognised body", are "listed bodies" in the Education (Listed Bodies) (England) Order 2013 made under the Education Reform Act 1988. The "recognised body" in this case is Durham University. Though most of the Durham colleges are governed and owned directly by the University itself, and so do not enjoy the independence of colleges at Oxford and
Johannes van Mildert to the fact that he was born and raised in Königsberg, which was then part of Germany. He was married to Elisabeth Waeyens and his son Cornelis van Mildert was also a sculptor and draughtsman. His daughter Elizabeth married the sculptor Gerard van Opstal. His son Cornelis and his son-in-law Gerard van Opstal completed some of the works left unfinished at the time of his death. From about 1617 onwards van Mildert received multiple large commissions as a sculptor-architect and maker of small-scale architectural stone church furniture. He thus became the main competitor of the workshop of the brothers Hans