↑ 1.01.1Scanned Norwegian Church records at Digitalarkivet. Solum parish, Telemark. SAKO/A-306/F/Fa/L0003: Parish register (official) no. I 3, 1761-1814. Births and Christenings page 62-63. 27 Dec 1785: Et Drengebarn kaldet Isach, foreldre Tøger Jensen Vasbond og Kisti Asbiørnsdatter. Faddere: Anna Houchedahlen, Anna Aaseland, Gulek Houchedahlen, Ole Aaseland.
↑Scanned Norwegian Census records at Digitalarkivet. Year 1801 census. Solum parish, Telemark. RA/EA-4070/J/Jd/L0029 page 183b-184a. "Aafoss" Household no. 1: Bonde Ole Pedersen.
↑Scanned Norwegian Church records at Digitalarkivet. Solum parish, Telemark. SAKO/A-305/A/Aa/L0003: Ministerial journal, 1789-1843 (unpaginated). Confirmations image 44. 21 Apr 1805 18. Isach Tøgersen Flaatesund 20 aar.
↑Scanned Norwegian Church records at Digitalarkivet. Solum parish, Telemark. SAKO/A-306/F/Fa/L0003: Parish register (official) no. I 3, 1761-1814. Deaths and Burials page 252-253. 18 Nov 1810: Isak Isaksen uægte Barn af forældrene Elisabeth Gulliksdatter Haukedalen og Isak Tøgersen Flaatsund under Rensund, gevorben? Barnet hiemmedøbt og gammelt 14 dage.