[Source: Find A Grave - needs verification and better citations]
New Jersey Calendar of Wills (abstracted from Calendar of Wills 1751-1760, vol. 32, p. 41) 1754, Mar. 26.; Britton, John, of Middletown, Monmouth Co.; Int. Rachil, widow, "informs Mr Barto," that neither she nor her son will administer on his estate and desires administration granted to Isaac Van Dorn.
1754, April 20. Bond of Isaac Van Dorn of Freehold, principal creditor, as Adm'r; James Newell, of Perth Amboy, fellowbondsman. Lib. F, p. 171 1754 ___. Inventory, £5.12, by William Nickel and Thomas Petty.
1755, Mar. 20. Account by Isaac van Dorn, who has received £9.15.2 and has paid out £12.17.3.