Peterborough was lord of the manors of Turvey in Bedfordshire and Drayton, Northamptonshire, and was for many years lord-lieutenant of the latter county.
Mordaunt war Gutsherr (Lord of the manor) von Turvey in der Grafschaft Bedfordshire und Drayton in der Grafschaft Northamptonshire sowie viele Jahre lang Lord Lieutenant in der letzten Grafschaft.