Abraham Ackerman born c1785 in USA, married Sarah Jane Hasson, born 1785. They came to NB after 1813 and probably settled in Sheffield Parish, Sunbury County

1) Henry Ackerman m. Mary Martha Spragg d/o James Hunter Spragg: they had six children
2) Nelson Ackerman born c1813 in USA, married on 1 Nov 1833 at Sheffield, Elizabeth McDonald b. in Ireland: they settled in Chipman Parish, Queens County and had nine children
3) William Ackerman
4) Robert Ackerman
5) George Ackerman
6) Guy Ackerman
7) Rebecca Ackerman
8) Louise Ackerman. 

PANB:MC80/2301 Dana R. Corson’s Charles L. Clark and Barbara Flemming: descendants and related families 

James Ackerman, born c1763 in NJ, died c1821, married in NJ, Jane – , born c1764 in USA, died Oct 1854 or in 1858. They came from Hackensack, NJ to NB in 1783 as Loyalists and first settled in Fredericton, York County then at Little River in Sheffield Parish, Sunbury County.
children are in an estimated order:

1) John Ackerman b. c1787 Fredericton died 23 Dec 1841 or 26 Mar 1841, m. 15 Oct 1818 at Sheffield, Joanna Ackerson b. in 1790 at Saint John: settled at Little River, NB: they had seven children
2) Eleanor Ackerman m. 10 Nov 1819 in Sunbury County, John Burns
3) Eliza Ackerman b. – , died before 1851, married 22 Aug 1837 William Toy born in Ireland and came to NB in May 1827
4) Maria Ackerman. 

PANB:MC80/1285 Loyalist lineages of Canada 1783-1983, page 1
see PANB:MC80/2348 Cleadie B. Barnett et. al. Loyalist families, page 1
widower William Toy m. (2nd) Maria L. Ackerman b. c1822, d/o John and Joanna Ackerman, and neice of his first wife.