↑ 1.01.1Scanned Norwegian Church records at Digitalarkivet. Solum parish, Telemark. SAKO/A-306/F/Fa/L0004: Parish register (official) no. I 4, 1814-1833. Births and Christenings page 31. Født 12 Jul 1818, døpt 2 Aug 1818: Karen, foreldre Isak Ellefsen og Ingebor Christensdatter. Faddere: Mari Tøvesdatter Frønes, Birte Christensdatter Frønes, Isak Frønesejet, Christen Christensen Frønesejet, Jacob Fjeld.
↑Scanned Norwegian Church records at Digitalarkivet. Solum parish, Telemark. SAKO/A-306/F/Fa/L0004: Parish register (official) no. I 4, 1814-1833. Confirmations page 283. 13 Oct 1833 29. Karen Isaksdatter Frønæs, foreldre Isak Ellevsen og Ingeborg Christensdatter ibid, 2 Aug 1818.
↑Scanned Norwegian Church records at Digitalarkivet. Solum parish, Telemark. SAKO/A-306/F/Fa/L0006: Parish register (official) no. I 6, 1844-1855. Weddings page 346. 27. 31 Aug 1854 Melum: Ungkarl Rasmus Johnsen f. Gisholdt vestre, oph. Bjørbek 38 aar Fader John Rasmussen, pige Karen Isaksdatter Frønæs 36 aar Fader Isak Ellefsen. Forlovere Ellef Isaksen og Mikkel Isaksen Weholdt.