Olaf Haraldsson (son of Harald Halfdansson I and Svanhild Eysteinsdatter) was born 898 in Oslo, Oslo, Norway, and died 934 in Tonsberg, Vestfold, Norway.He married Unknown. Children of Olaf Haraldsson and Unknown are:
+Tryggve Olafsson, b. 930, Oslo, Oslo, Norway, d. 963, Halvoen, Satenes, Oslo, Norway.