grandfather's family in Norway

Just found the recorded family information: Einar ( Harry) Kaspersen (Casper), was my Grandfather, who came from Norway in 1913 to the United States, along with his siblings: Gustav, Rolf, and Hans. Their parents were: Father: Gulbran Kaspersen DOB: 1858, DOD: 1913 Mother: Ragna Gurtomsen Kasperson, DOB: 1862, DOD: 1927 Ragna Gurtomsen Kasperson's mother: Elisa Gurtomsen, DOB: 1835, DOD: 1919 ( born in Oslo, Norway). She had 7 daughters. I am trying to find any living relatives in Norway. Please let me know if you have information on living relatives in Norway to this family tree. Thank you, Carol Davis. ([email hidden])