Suspect Error

Hi Everyone. I have a Constance Abrahamsen that had crept into my data base but no source to support her! Under the Family line of Father Abraham Anundsen - 24 may 1827 dob Mother Gunhild Marie Jacobsdatter - 19 Feb 1823 dob 7 siblings Hanna Kat - adopted probably 1862 dob? Amalia - 1860 dob Jeanette - 1854 dob Susanne - 1863 dob Julius - 1857 dob Anne Olea 1849 Can you help located this person and confirm relationship? Thanks you so much