Tom,the Polton Line was a Add on too my Ancestral lines through my Brother David who Married phyllis polton who is decended through John b 20 July 1820 in Knox County Ohio The paper That I am Looking at now stated That His father was Born in Virginia and His Mother was Born in Pa. Now as Too Isaac.Isaac Purportedly Died July 19th 1934 and he was seen by a M.L. Crawford M.D on July 12,1934 through July 18th in Washington County,Akron Colorado and the 18th was The Last Day seen.and he died July 19th at 10.22 Am of Cronic Myocarditis & Decompensation. There was No Autopsy or Operation prior too his death.He was Taken too Bedford ,Iowa and Buried on July 23,1934,with Walter T Gough as The Undertaker (Akron,Colorado). The Certificate of Death was Signed by S.R. McKelvey on 23rd of july 1934,in The State of Colorado. That is about all That I have on isaac,other Then His Application for Pension in Colorado.He was Purportedly a Civil War Veteran having been in The First Regiment of the The Nebraska Cavalry Volunteers,and was Discharged in Omaha Nebraska 10th of November 1864.it also Stated that he was 5'101/2 Inches Tall with Hazel Eyes and Auburn Hair. Hope that this Helps.