Anonymized the first part of my line:
You → ******** your father → ******** his mother → ******** her mother → ******** her father → ** Johansen his father → Johan Grove Kristoffersen his father → Ingeborg Catharine Jentoft Henrichsdatter Klæboe his mother → Henrich Johan Hansen Klæboe her father → Maren Hansdatter Glein his mother → Margaretha Johansdatter Grøn her mother → Margrethe Christophersdatter Darre her mother → Kristoffer Bjørnsen Bjørnsen her father → Bjørn Rolfson Darre his father → Maren Bjørnsdatter his mother → Johanne Mattisdatter her mother → Margreta Johannesdatter Kruckow her mother → Anne Ludvigsdatter Barsebek her mother → Magdalena Svare her mother → Adelus Eringsdotter Erlingsdtr Tolstad, Hildugard her mother → Elin Jonsdatter Hildugard Tolstad her mother → Sigrid Erlingsdotter Bjarkøy her mother → Elin Thoresdatter Bjarkøy her mother → Ingebjørg Erlingsdatter Bjarkøy her mother → Erling Alvsson Tornberg her father → Ingeborg Bårdsdotter Rein his mother → Bård Skule Guttormsson Rein her father → Sigrid Torkjellsdotter Fugl his mother → Hallkatla Sveinsdatter Av Aurland her mother → Ingerid Svendsdatter of Denmark, Queen Consort of Norway her mother → Sweyn II Estridson, King of Denmark her father → Princess Estrid Margrethe (Margret), Of Svendsdatter his mother → Sweyn I "Forkbeard", king of Denmark, Norway & England her father → Harald "Blue Tooth", king of Denmark his father
[1] https://www.geni.com/people/Harald-Blue-Tooth-king-of-Denmar...