Seeking my link to Roald Amundsen

Hi all. I was born in Norway, and was raised close to Kviberg farm where Thorleif Gravning Amundsen lived. I also have some names, but need some help to put them into the right plaace on my tree. Hjørdis Amundsen Thordis Gunne-Olaf Amund Amundsen My grandfathers name is Thorstein Amundsen, Married to Magnhild Synnøve They got two children, Thorolf and Arne Gulbrand. And it doesen´t end there. Rumours say that My great, great grandfaather on my fathers side was Captain on a slaveship and my great, great grandfather on my mothers side was pilot on the same ship. It was a muteney and the pilot trow himself in front of the captain and saved the captains life. Any help, please. I´m fresh at this Best Jan Erik Amundsen