Olof Skötkonung [SEP] father
Olof Skötkonung
Olof Skötkonung (c. 980–1022) was King of Sweden, son of Eric the Victorious and, according to Icelandic sources, Sigrid the Haughty. He succeeded his father in c. 995. He stands at the threshold of recorded history, since he is the first Swedish ruler about whom there is substantial knowledge. He is regarded as the first king known to have ruled both the Swedes and the Geats. 
Etymology.
One of many explanations to the name "Skötkonung" is that it is derived from the
When Olaf Haraldsson became king of Norway in 1015, a war erupted with Sweden and Norwegians forces had pillaged in Västergötland. 
But then Norwegian King Olaf proposed to the Swedish princess Ingigerd Olofsdotter, the daughter of Sweden's King Olof Skötkonung. This would result in peace and a royal alliance which would favor Ragnvald who was related to both parties.
However, at the Thing at Gamla Uppsala, Ragnvald and his foster-father Þorgnýr the Lawspeaker had to persuade King Olof Skötkonung to promise his daughter to King Olaf,