339 pages and 313 figures in colour (hard back version) or black & white (soft back version). This genealogical study traces the ancestral roots of the Duncan family of Crumlin and Castlederg and the Williamson family of Ballyhenry and Kilgreel. Connections with the Suffern, Nixon, Moore, Matthews, McConnell, Smyth, Crosbie, George, Armstrong, Montgomery, and Walker families are also explored. The Duncan family is traced back to 1757 when George Duncan settled in Lurganboy, Castlederg as a tenant farmer on the Abercorn estate.