from C. B. Van Dixhoorn, ed. The Minutes and Papers of the Westminster Assembly, 1643-1652 (Oxford: Oxford University Press, 2012), vol. 1:178.

OfficePersonDates
ProlocutorWilliam Twisse1 July 1643 – 20 July 1646
ProlocutorCharles Herle22 July 1646 – 19 Oct. 1649
First assessorCornelius Burges8 July 1643 – 19 Oct. 1649
Second assessorJohn White8 July 1643 – Aug. 1646
Second assessorHerbert Palmer (pro temp)1 Jan. 1646 – 23 Sept. 1646
Second assessorHerbert Palmer23 Sept. 1646 – Sept. 1647
Second assessorWilliam Gouge26 Nov. 1647 – 19 Oct. 1649
ScribeAdoniram Byfield6 July 1643 – 25 March 1653
ScribeHenry Robrough6 July 1643 – 19 Oct. 1649
ScribeJohn Wallis20 Dec. 1643 – 19 Oct. 1649
ServantMr Brook1 July 1643? – c.26 Oct. 1643
ServantAldam Frame1 July 1643? – c.1 March 1645
ServantMr Letherhead6 March 1645–1649 or 1653?