For an introduction to the Probate records for New Brunswick, check out the following --- http://www.rootsweb.com/~cannb/NB_Probate.htm

Probate papers may contain will, lists of property, heirs and other misc. items. Not all files contain the same items. --- Copies can be obtained from The Provincial Archives of New Brunswick (PANB), or you can check their county guides and order films via Inter-Library loan.
A copy can be acquired by sending a full mailing address, a full reference of the record, along with $5.00 (Cnd) for each record requested  to: 
    Provincial Archives of New Brunswick 
    P. O. Box 6000 
    Fredericton, New Brunswick, Canada 
    E3B 5H1 
Requests received without full details or without payment cannot be processed.  In all cases, please allow at least 4-6 weeks for delivery. 

Diana Henderson Purdue Has a copy of the Saint John Probate Index 1785-1900 and will do lookups. Contact her.

BELYEA:  George Sweet, 1859
BELYEA:  Robert, 1830

JAMES CLARK, Greenwich Parish, sick
wife, Florence
sons, James, John, Michael, Samuel & Robert* (* under 21 in 1800)
daughters: Mary, Anna
25 Mar 1800 - filed 28 Nov 1826
witnesses: James Brittain & Donald Urquhart
Samuel Clark granted Administration
Estate: 200 acres (lot 33) 300 pounds
2 dwelling houses, 1 barn 50 pounds at Greenwich 26 Dec 1826
John Brittain & Joseph Brittain

WALTER CLARK, Springfield Parish, yeoman, sick
mother, Jane Clark
sister, Mary Davis
sister, Elizabeth Sherwood
brother, Alexander Clark
daughter and son of late sister: Jennett Hilesham
Sarah Davis
Alexander Stidolph
2 Jan 1818 filed 19 Sep 1818
wit: W. B. [Haines/Harris], William Clark, James Embree Davis
Ex: Caleb Davis, Senr. & h/s John Davis
Inventory 16 Sep 1818, Caleb Davis, W. B. Harves > Appraisers