http://www.pagenweb.org/~columbia/bios4.htm

Jackson ROBBINS. The ROBBINS family take rank among the early settled families in Greenwood Township Joseph ROBBINS, grandfather of our subject, married Catharine HARRIS, by whom he had nine children—six sons and three daughters: William, Jerusha (married to William SNYDER), Vincent, hannah (married to William EVES), Joseph, John, Catharine (married to John SIBERT), Robert and Jesse. John ROBBINS, father of our subject, was born on the homestead now owned by the latter, and married Mary, daughter of john MANNON, whose wife was a DEMOTT. The children born to John and Mary ROBBINS were Jackson, Sarah (married to James DEMOTT), Catharine (married to George B. THOMAS), Charlotte (single) and Ira. Our subject was born on his farm in 1832, and with the exception of three years’ residence in Fishingcreek Township, this county, has lived continuously on the farm where he was born. He has been twice married: first to Paulena L., daughter of William JOHNSON; at her decease she left four children: Robert, Elizabeth (married to B. MANNON, of Eyers Grove), Harriet (married to John Barber, of Stillwater), and John. Robert and John reside in Greenwood. Mr. ROBBINS’ second wife was Anna Beckford, by whom he has the following named children: Mary, Louis, Samatha, Effie, Orra and George. (History of Columbia and Montour Counties Pennsylvania, Battle, 1887, pg 480)