Hann eyddi blótum í Svíþjóð ok bað fólk allt þar kristnast, en Svíar höfðu of mikinn átrúnað á heiðnum goðum ok heldu fornum siðum. Ingi konungr gekk at eiga konu þá, er Mær hét. Bróðir hennar hét Sveinn. Inga konungi þokknaðist enginn maðr svá vel, ok varð hann í Svíþjóð inn ríkasti maðr. Svíum þótti Ingi konungr brjóta forn landslög á sér, er hann vandaði um þá hluti, er Steinkell hafði standa látit. Á þingi nokkuru, er Svíar áttu við Inga konung, gerðu þeir honum tvá kosti, hvárt hann vildi heldr halda við þá forn lög eða láta af konungdómi. Þá mælti Ingi konungr ok kveðst eigi mundu kasta þeiri trú, sem rétt væri. Þá æptu Svíar ok þröngdu honum með grjóti ok ráku hann af lögþinginu.

Sveinn, mágr konungs, var eptir á þinginu. Hann bauð Svíum at efla blót fyrir þeim, ef þeir gæfi honum konungdóm. Því játa þeir allir; var Sveinn þá til konungs tekinn yfir alla Svíþjóð. Þá var fram leitt hross eitt á þingit ok höggvit í sundr ok skipt til áts, en roðit blóðinu blóttré. Köstuðu þá allir Svíar kristni, ok hófust blót, en þeir ráku Inga konung á brott, ok fór hann í vestra Gautland. Blót-Sveinn var þrjá vetr konungr yfir Svíum.

He put down sacrificing in Sweden and ordered all the people of the land to become Christian; but the Swedes had too strong a belief in the heathen gods and held to their ancient ways. King Ingi's wife was a woman called Mær; her brother's name was Sveinn. No man was more dear to King Ingi than he, and Sveinn became thereby the mightiest man in Sweden. But the Swedes thought that King Ingi had infringed their rights under the ancient law of the land, when he found fault with many things that Steinkell his father had let be; and at a certain assembly which the Swedes held with King Ingi they gave him the choice of two things, either to observe the ancient laws or else to give up his throne. Then King Ingi spoke, and said that he would not leave the true faith; whereat the Swedes cried out, and pelted him with stones, and drove him from the law-assembly.

Sveinn, the king's kinsman, remained behind at that assembly, and he offered to make sacrifice for the Swedes if they would grant him the kingdom; all agreed to Sveinn's offer, and he was accepted as king over all the Swedish realm. Then a horse was led forth to the assembly, hewn in pieces, and divided up for eating, and the sacrificial tree was reddened with its blood. Thereafter all the Swedes cast off the Christian faith, and sacrifices were instituted, and they drove King Ingi away; he departed into western Gautland. For three years Sveinn the Sacrificer was king over the Swedes.