The Egil's Saga on Sigurd
Chapter 1 - Of Kveldulf and his sons. > Chapter 7 - Of Bjorgolf, Brynjolf, Bard, and Hildirida.
attestation: Sigurd was the richest man in northern Halogaland, a baron dwelling at Sandness on the island of Alost in the firth Vefsnir
"in Halogaland is a firth called Vefsnir, and in the firth lies an island called Alost, a large island and a good, and in this a farm called Sandness. There dwelt a man named Sigurd, the richest man thereabouts in the north; he was a baron"
relationship: Sigurd had an only daughter Sigridr, considered the best match in Halogaland
"He had a daughter named Sigridr; she was thought the best match in Halogaland, being his only child and sole heiress to her father."
Chapter 1 - Of Kveldulf and his sons. > Chapter 8 - Of Bard and Thorolf.
- attestation: Bard sent word to Sigurd that he was ready for the marriage agreed upon the previous summer
"they sent word to Sigurd that Bard would now see to that marriage on which they had agreed the summer before."
Chapter 1 - Of Kveldulf and his sons. > Chapter 9 - Battle in Hafr's Firth.
- attestation: Sigurd came from the north with a longship and chosen crew to attend Thorolf's feast
"Sigurd also came thither from the north with a long-ship and a chosen crew."