Gezinsblad
Harald I Halfdansson (Schoonhaar) van Noorwegen, geb. ± 858 te Vestfold (Noorwegen), ovl. ± 933 te Rogaland (Noorwegen, zoon van Halfdan III Gudrodsson van Westfalen en Ranghild Sigurdssdottir van Ringerike
https://perswww.kuleuven.be/~u0046041/karel/I316.html
http://archiver.rootsweb.ancestry.com/th/read/NLD-HOEKSCHE-WAARD/2002-05/1021564018
It appears that he had at least 8 wives or concubines and numerous children. The following is one list of wives and children:
Family 1. Swanhild EYSTEINSDOTTIR also called Swanhild of the Upplands
Olaf Geirstadalf HARALDSON of Viken, King
Bjorn Farmand HARALDSON of Vestfold, King
Ragnar Rykkil HARALDSON of Hedemark, King
Family 2 : Ragnhild The Mighty EIRIKSDOTTIR also called Ragnhild of Jutland
Eirik Bloodaxe HARALDSON of Norway, King
Family 3 : Gyda EIRIKSDOTTIR
Alof Arbot HARALDSDOTTIR
Hrorek HARALDSON
Sigtryg HARALDSON
Frode HARALDSDOTTIR
Thorgils HARALDSON
Family 4 : Ashild HRINGSDOTTIR
Dag HARALDSON of Hedemark, King
Hring HARALDSON of Hedemark, King
Gudrod Skiria HARALDSON
Ingigerd HARALDSDOTTIR
Family 5 : Aasa THORGRIMSDOTTIR also given as Asa
Guttorm HARALDSON of Viken, King
Halfdan Svarte HARALDSON of Trondelagen, King
Sigrod HARALDSON of Trondelagen, King
Halfdan Hvide HARALDSON
Family 6 : Snefried FINNSDOTTIR
Sigurd Hrise HARALDSON of Oplandene, King
Halfdan HARALDSON
Gudrod Ljome HARALDSON
Ragnvald Rettilbein HARALDSON of Hadeland, Kin
Family 7 : Thora MOSTERENG
Haakon The Good HARALDSON of Norway, King
Family 8 : Unknown UNKNOWN
Ingeborg HARALDSDOTTIR.3
met:
Swanhilde (Svanhild) Eysteinsdóttir , geb. ± 860, ovl. te (...), dochter van Eystein (Glumra = de Luidruchtige) Ivarsson en Ascrida (Aseda)(de Noorse) Ragnsvaldsdóttir (van Vestfold)
1) mog. Olaf Haraldsson (de Viking) , geb. ± 877 te Oslo (Noorwegen), ovl. ± 934 te Tonsberg (Noorwegen), doodsoorzaak: Killed in a battle with his brother "BloodAx
Olav of Viken" and "Olaf Geirstatha-Alf

According to medieval historian, Snorii Sturluson, Olav's father, King Harald I (Haarfagre/Fairhair), bestowed the title of "King" to his sons and divided the land between them to rule.
met:
N.N.
2) Bjorn Haraldsson van Noorwegen, geb. ± 897, ovl. na 927
https://perswww.kuleuven.be/~u0046041/karel/I316.html
met:
N.N.
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